From 5ffdd63a0bd74d1e7da97b58febaf0970493616e Mon Sep 17 00:00:00 2001 From: youbowu Date: Wed, 8 Feb 2017 10:58:20 +0800 Subject: Add international basic service module Issue-ID:HOLMES-33 Change-Id: I2442ebfa65c6586a21655b226699b0dfbcbb3910 Signed-off-by: youbowu --- baseservice-i18n/pom.xml | 66 +++++ .../baseservice/i18n/DefaultErrorCodeI18n.java | 278 +++++++++++++++++++++ .../openo/baseservice/i18n/DefaultI18nService.java | 59 +++++ .../openo/baseservice/i18n/ErrorCodeException.java | 53 ++++ .../org/openo/baseservice/i18n/ErrorCodeI18n.java | 151 +++++++++++ .../main/java/org/openo/baseservice/i18n/I18n.java | 132 ++++++++++ .../org/openo/baseservice/i18n/I18nContainer.java | 148 +++++++++++ .../java/org/openo/baseservice/i18n/I18nImpl.java | 137 ++++++++++ .../java/org/openo/baseservice/i18n/I18nItem.java | 53 ++++ .../org/openo/baseservice/i18n/I18nJsonUtil.java | 170 +++++++++++++ .../org/openo/baseservice/i18n/I18nService.java | 38 +++ .../baseservice/i18n/JsonResourceScanner.java | 81 ++++++ 12 files changed, 1366 insertions(+) create mode 100644 baseservice-i18n/pom.xml create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultErrorCodeI18n.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultI18nService.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeException.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeI18n.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18n.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nContainer.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nItem.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nJsonUtil.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nService.java create mode 100644 baseservice-i18n/src/main/java/org/openo/baseservice/i18n/JsonResourceScanner.java diff --git a/baseservice-i18n/pom.xml b/baseservice-i18n/pom.xml new file mode 100644 index 0000000..d110db3 --- /dev/null +++ b/baseservice-i18n/pom.xml @@ -0,0 +1,66 @@ + + + + 4.0.0 + + org.openo.common-services.common-utilities + common-setting + 1.1.0-SNAPSHOT + + baseservice-i18n + common-services-common-utilities/baseservice-i18n + + + org.reflections + reflections + 0.9.10 + + + io.dropwizard + dropwizard-core + 0.8.0 + + + junit + junit + test + 4.8.2 + + + + + + org.apache.maven.plugins + maven-compiler-plugin + 3.3 + + 1.8 + 1.8 + + + + maven-enforcer-plugin + + + + org.apache.maven.plugins + maven-source-plugin + + + attach-sources + + jar + + + + + + + \ No newline at end of file diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultErrorCodeI18n.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultErrorCodeI18n.java new file mode 100644 index 0000000..d225e1b --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultErrorCodeI18n.java @@ -0,0 +1,278 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import java.io.IOException; +import java.io.InputStream; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Locale; +import java.util.Map; +import java.util.Optional; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +public final class DefaultErrorCodeI18n implements ErrorCodeI18n { + + static final Logger logger = LoggerFactory.getLogger(DefaultErrorCodeI18n.class); + private static DefaultErrorCodeI18n singleton; + private static final Lock lock = new ReentrantLock(); + private Map errorItems; + + private DefaultErrorCodeI18n() { + try { + init(); + } catch (Exception e) { + logger.error("init ErrorCodeI18n failed.", e); + } + } + + private void init() throws Exception { + final ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader(); + final Map errorItems = new HashMap(); + JsonResourceScanner.findErrorCodePaths().forEach(path -> { + HashMap fileValues = null; + try (InputStream ins = systemClassLoader.getResourceAsStream(path)) { + fileValues = I18nJsonUtil.getInstance().readFromJson(ins, HashMap.class); + logger.info("load errorcode file success: " + path); + } catch (IOException ex) { + logger.info("load errorcode file failed: " + path); + logger.info( + "load errorcode file failed: " + systemClassLoader.getResource(path).toString(), + ex); + return; + } + List errcodes = (List) fileValues.get("errcodes"); + if (errcodes == null) { + logger.info("none errcodes field in: " + path); + return; + } + + String fileName = null; + int i = path.lastIndexOf("/"); + if (i > -1) { + fileName = path.substring(i + 1); + } else { + fileName = path; + } + i = fileName.indexOf("-errorcode-"); + String localeSrc = fileName.substring(i + 11, fileName.lastIndexOf(".")); + if (localeSrc.isEmpty()) { + logger.info("parse errorcode file failed: locale is null"); + return; + } + + String[] ss = localeSrc.replace("-", "_").split("_"); + String tempLocale = null; + if (ss.length == 1) { + tempLocale = new Locale(ss[0]).toString(); + } else if (ss.length == 2) { + tempLocale = new Locale(ss[0], ss[1]).toString(); + } else { + logger.info("parse i18n file failed: locale is error \"" + localeSrc + "\""); + return; + } + String locale = tempLocale; + errcodes.forEach(errorcode -> { + Map errorConfig = (Map) errorcode; + Integer code = Integer.valueOf(errorConfig.get("code")); + String level = errorConfig.get("level"); + String label = errorConfig.get("label"); + + ErrorItemImpl errorItem = errorItems.get(Integer.valueOf(code)); + if (errorItem == null) { + errorItem = new ErrorItemImpl(); + errorItem.errorCode = code.intValue(); + errorItem.level = ErrorCodeLevelUtil.transfer2Int(level); + errorItems.put(code, errorItem); + } + errorItem.addLabel(locale, label); + }); + }); + + errorItems.forEach((code, errorItem) -> { + errorItem.unmodifiable(); + }); + this.errorItems = Collections.unmodifiableMap(errorItems); + } + + + static DefaultErrorCodeI18n getInstance() { + if (singleton == null) { + lock.lock(); + try { + if (singleton == null) { + singleton = new DefaultErrorCodeI18n(); + } + } finally { + lock.unlock(); + } + } + return singleton; + } + + + /* + * (non-Javadoc) + * + * @see com.zte.ums.zenap.i18n.ErrorCodeI18n#getErrorItem(int) + */ + @Override + public Optional getErrorItem(int errorCode) { + return Optional.ofNullable(errorItems.get(Integer.valueOf(errorCode))); + } + + + public static class ErrorItemImpl implements ErrorItem { + + private int errorCode; + + private int level; + + private Map labels = new HashMap(); + + private String jsonString = null; + + @Override + public int getErrorCode() { + return errorCode; + } + + @Override + public int getLevel() { + return level; + } + + public Map getLabels() { + return labels; + } + + private void unmodifiable() { + if (labels != null) { + labels = Collections.unmodifiableMap(labels); + } + } + + private synchronized void addLabel(String locale, String label) { + labels.put(locale, label); + } + + @Override + public String getLabel(Locale theLocale) { + if (theLocale == null) { + return null; + } + return labels.get(I18nLocaleTransfer.transfer(theLocale, labels.keySet())); + } + + @Override + public String getCanonicalLabels(int errorCode) { + String jsonString = this.jsonString; + if (jsonString == null) { + ErrorItem2 errorItem2 = new ErrorItem2(); + errorItem2.setErrorCode(this.errorCode); + errorItem2.setLevel(ErrorCodeLevelUtil.transfer2String(this.errorCode)); + errorItem2.setErrlabels(labels); + try { + jsonString = I18nJsonUtil.getInstance().writeToJson(errorItem2); + } catch (Exception e) { + logger.info("getCanonicalLabels failed from with param errorCode " + errorCode + + " and this errorCode " + this.errorCode, e); + return null; + } + this.jsonString = jsonString; + } + return jsonString; + } + + } + + protected static class ErrorItem2 { + + private int errorCode; + + private String level; + + private Map errlabels; + + public ErrorItem2() { + + } + + public int getErrorCode() { + return errorCode; + } + + public void setErrorCode(int errorCode) { + this.errorCode = errorCode; + } + + public String getLevel() { + return level; + } + + public void setLevel(String level) { + this.level = level; + } + + public Map getErrlabels() { + return errlabels; + } + + public void setErrlabels(Map errlabels) { + this.errlabels = errlabels; + } + } + + protected static class ErrorCodeLevelUtil { + + public static final int ERROR_LEVEL = javax.swing.JOptionPane.ERROR_MESSAGE; + + public static final int WARN_LEVEL = javax.swing.JOptionPane.WARNING_MESSAGE; + + public static final int INFO_LEVEL = javax.swing.JOptionPane.INFORMATION_MESSAGE; + + protected static String transfer2String(int errorCode) { + switch (errorCode) { + case ERROR_LEVEL: + return "ERROR"; + case INFO_LEVEL: + return "INFO"; + case WARN_LEVEL: + return "WARN"; + } + return null; + } + + protected static int transfer2Int(String level) { + switch (level) { + case "ERROR": + return ERROR_LEVEL; + case "INFO": + return INFO_LEVEL; + case "WARN": + return WARN_LEVEL; + } + return -1; + } + + } + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultI18nService.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultI18nService.java new file mode 100644 index 0000000..820478c --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/DefaultI18nService.java @@ -0,0 +1,59 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + + +import com.fasterxml.jackson.databind.ObjectMapper; +import java.util.Optional; +import javax.inject.Inject; +import org.jvnet.hk2.annotations.Service; +import org.openo.baseservice.i18n.ErrorCodeI18n.ErrorItem; + +@Service +public final class DefaultI18nService implements I18nService { + + /** + * Get the corresponding examples of international documents (all languages),
+ * + * for the above example topology (for example, the Chinese definition: topo-i18n-zh-CN.json, English definition + * Topo -i18n-en-US.json), into the reference into the "TOPO" can be
+ * + * (i.e. except "-i18n-*.json" after the exact match). + * + * @param i18nFilePrefix International file prefix (-i18n-*.json front part) + * @return Optional + */ + public Optional getI18n(String i18nFilePrefix) { + return I18nContainer.getInstance().getI18n(i18nFilePrefix); + } + + /** + * Gets the corresponding error item based on the error code (including the error description information for all + * languages) + * + * @param errorCode + * @return Optional + */ + public Optional getErrorItem(int errorCode) { + return ErrorCodeI18n.getInstance().getErrorItem(errorCode); + } + + @Inject + public void setObjectMapper(ObjectMapper objectMapper) { + I18nJsonUtil.getInstance(objectMapper); + } + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeException.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeException.java new file mode 100644 index 0000000..fb470ab --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeException.java @@ -0,0 +1,53 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +public class ErrorCodeException extends Exception { + + private static final long serialVersionUID = 5522808473663280894L; + + private int errorCode; + + /** + * Error definition placeholder replacement + */ + private String[] arguments; + + /** + * According to the original exception, error code, debug print information and construct a new anomaly placeholder + * + * @param source + * @param errorCode + * @param debugMessage + * @param arguments + */ + public ErrorCodeException(Throwable source, int errorCode, String debugMessage, String[] arguments) { + super(debugMessage, source); + + this.errorCode = errorCode; + + this.arguments = arguments; + } + + public int getErrorCode() { + return errorCode; + } + + public String[] getArguments() { + return arguments; + } + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeI18n.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeI18n.java new file mode 100644 index 0000000..39738b5 --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/ErrorCodeI18n.java @@ -0,0 +1,151 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import org.openo.baseservice.i18n.DefaultErrorCodeI18n.ErrorCodeLevelUtil; +import org.openo.baseservice.i18n.DefaultErrorCodeI18n.ErrorItem2; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Locale; +import java.util.Map; +import java.util.Optional; + +public interface ErrorCodeI18n { + + static final Logger logger = LoggerFactory.getLogger(ErrorCodeI18n.class); + + /** + * Access to the internationalization of the error code examples, scanning the process of all + * classes load path, loading all the *-errorcode-*.json files, and load all the international + * language information + * + * @return + */ + static ErrorCodeI18n getInstance() { + return DefaultErrorCodeI18n.getInstance(); + } + + /** + * Gets the corresponding error item based on the error code (including the error description + * information for all languages) + * + * @param errorCode + * @return Optional + */ + public Optional getErrorItem(int errorCode); + + public static interface ErrorItem { + + public int getErrorCode(); + + public int getLevel(); + + public Map getLabels(); + + public String getLabel(Locale theLocale); + + /** + * All language error information description of assembly.
+ * + * some modules to store all the error information description or transfer, and finally the time + * to choose the appropriate value according to the locale presentation.
+ * + * it is not necessary to pass the error code (code), but in order to take into account the + * subsequent scalability, so also passed, the general module does not need this information. + * Similar form:
+ * { "code":53501, "level":"INFO", "errlabels":{"zh_CN":"拓扑定制文件无效。","en_US":"The topology + * customized file is invalid.","ru_RU":"Топология настроенный файл недействительно."} } + * + * @param errorCode + * @return + */ + public String getCanonicalLabels(int errorCode); + + /** + * With the use of the above interface, it is possible to obtain an international string + * corresponding to a specific language from the combination of all error messages + * + * @param labels Error message description string (Return value of the getCanonicalLabels + * method) + * @param theLocale + * @return + */ + public static String getLabelFromCanonicalLabels(String labels, Locale theLocale) { + if (labels == null || theLocale == null) { + return null; + } + try { + ErrorItem2 errorItem2 = I18nJsonUtil.getInstance().readFromJson(labels, ErrorItem2.class); + Map errlabels = errorItem2.getErrlabels(); + return errlabels.get(I18nLocaleTransfer.transfer(theLocale, errlabels.keySet())); + } catch (Exception e) { + logger.info( + "getLabelFromCanonicalLabels failed from " + labels + " with local " + theLocale, e); + return null; + } + } + + /** + * With the use of the above interface, we can get the error code corresponding to the specific + * language from all the error information + * + * @param labels Error message description string (Return value of the getCanonicalLabels + * method) + * @param theLocale + * @return errorCode + */ + public static int getErrorcodeFromCanonicalLabels(String labels, Locale theLocale) { + if (labels == null) { + return -1; + } + try { + ErrorItem2 errorItem2 = I18nJsonUtil.getInstance().readFromJson(labels, ErrorItem2.class); + return errorItem2.getErrorCode(); + } catch (Exception e) { + logger.info( + "getErrorcodeFromCanonicalLabels failed from " + labels + " with local " + theLocale, + e); + return -1; + } + } + + /** + * With the above interface, the error level of the corresponding string is obtained from all + * the error messages + * + * @param labels Error message description string (Return value of the getCanonicalLabels + * method) + * @param theLocale + * @return error level + */ + public static int getLevelFromCanonicalLabels(String labels, Locale theLocale) { + if (labels == null) { + return -1; + } + try { + ErrorItem2 errorItem2 = I18nJsonUtil.getInstance().readFromJson(labels, ErrorItem2.class); + return ErrorCodeLevelUtil.transfer2Int(errorItem2.getLevel()); + } catch (Exception e) { + logger.info( + "getErrorcodeFromCanonicalLabels failed from " + labels + " with local " + theLocale, + e); + return -1; + } + } + } + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18n.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18n.java new file mode 100644 index 0000000..ec9197b --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18n.java @@ -0,0 +1,132 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.HashMap; +import java.util.Locale; +import java.util.Map; +import java.util.Optional; + +public interface I18n { + static final Logger logger = LoggerFactory.getLogger(I18n.class); + + /** + * Get the corresponding examples of international documents (all languages),
+ * + * for the above example topology (for example, the Chinese definition: topo-i18n-zh-CN.json, + * English definition Topo -i18n-en-US.json), into the reference into the "TOPO" can be
+ * + * (i.e. except "-i18n-*.json" after the exact match). + * + * @param i18nFilePrefix + * @return Optional + */ + public static Optional getInstance(String i18nFilePrefix) { + return I18nContainer.getInstance().getI18n(i18nFilePrefix); + } + + /** + * According to key, the internationalization of all languages is described (Map) + * + * @param labelKey key + * @return Map + */ + public Map getLabelValues(String labelKey); + + /** + * According to key, the internationalization of all languages is described + * + * @param labelKey + * @param theLocale + * @return + */ + public String getLabelValue(String labelKey, Locale theLocale); + + /** + * According to key, the internationalization of all languages is described + * + * @param labelKey + * @param theLocale + * @param arguments + * @return + */ + public String getLabelValue(String labelKey, Locale theLocale, String[] arguments); + + /** + * Replace the placeholder that is defined in the internationalization description, as shown in + * the following example,
+ * + * {0} represents first bits, which will be replaced by a specific number of days. :
+ * + * {"col_dir_file_time_table": "save days {0} days"} + * + * @param labelKey + * @param arguments + * @return Map + */ + public Map getLabelValues(String labelKey, String[] arguments); + + /** + * According to the key to get all the international description of the language, and the results + * will be combined into a Json string, used in the log module scene,
+ * + * it is necessary to store all of the international information or transfer, and finally show the + * time according to locale to choose the appropriate value.
+ * + * (here in order to form similar to read, plus a newline)
+ * {"zh_CN":"统一公共应用","en_US":" Unified common application ","ru_RU":"Единый общий приложений"} + * + * @param labelKey key + * @return + */ + public String getCanonicalLabelValues(String labelKey); + + /** + * With the use of getCanonicalLabelValues interface, from all the international description of + * the combination of string and specific language corresponding to the international string. The + * return value of the getCanonicalLabelValues method + * + * @param values + * @param theLocale + * @return value + */ + public static String getValuefromCanonicalValues(String values, Locale theLocale) { + try { + @SuppressWarnings("unchecked") + HashMap map = I18nJsonUtil.getInstance().readFromJson(values, HashMap.class); + + return map.get(I18nLocaleTransfer.transfer(theLocale, map.keySet())); + } catch (Exception e) { + logger.error("get i18n value failed by locale:" + theLocale + " from " + values, e); + return null; + } + } + + /** + * According to the value to find the corresponding key, such as a module in accordance with + * international content filtering, search, database storage is key, then the front pass query is + * a kind of language corresponding to the value, to get the corresponding international key to + * the database query. + * + * @param value + * @return + */ + public String getKeyFromValue(String value); + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nContainer.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nContainer.java new file mode 100644 index 0000000..95ae105 --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nContainer.java @@ -0,0 +1,148 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.io.InputStream; +import java.util.HashMap; +import java.util.Locale; +import java.util.Map; +import java.util.Map.Entry; +import java.util.Optional; + +final class I18nContainer { + + private static Logger logger = LoggerFactory.getLogger(I18nContainer.class); + + private Map i18ns; + + private I18nContainer() { + init(); + } + + + private void init() { + Map> i18nTemps = generateI18ns(); + + i18ns = new HashMap(); + for (Entry> entry : i18nTemps.entrySet()) { + String name = entry.getKey(); + Map items = entry.getValue(); + for (Entry i18nItemEntry : items.entrySet()) { + i18nItemEntry.getValue().unmodifiable(); + } + + I18n i18n = new I18nImpl(name, items); + i18ns.put(name, i18n); + } + } + + @SuppressWarnings("unchecked") + private Map> generateI18ns() { + Map> i18nTemps = new HashMap>(); + + ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader(); + JsonResourceScanner.findI18nPaths().forEach((path) -> { + HashMap fileValues = null; + try (InputStream ins = systemClassLoader.getResourceAsStream(path)) { + fileValues = I18nJsonUtil.getInstance().readFromJson(ins, HashMap.class); + logger.info("load i18n file success: " + path); + } catch (IOException ex) { + logger.info("load i18n file failed: " + path); + logger.info("load i18n file failed: " + systemClassLoader.getResource(path).toString(), ex); + return; + } + + if (!validateI18nFileValues(fileValues, path)) { + return; + } + + String fileName = null; + int i = path.lastIndexOf("/"); + if (i > -1) { + fileName = path.substring(i + 1); + } else { + fileName = path; + } + i = fileName.indexOf("-i18n-"); + String name = fileName.substring(0, i); + String localeSrc = fileName.substring(i + 6, fileName.lastIndexOf(".")); + if (name.isEmpty()) { + logger.info("parse i18n file failed: name is null"); + return; + } else if (localeSrc.isEmpty()) { + logger.info("parse i18n file failed: locale is null"); + return; + } + + String[] ss = localeSrc.replace("-", "_").split("_"); + String locale = null; + if (ss.length == 1) { + locale = new Locale(ss[0]).toString(); + } else if (ss.length == 2) { + locale = new Locale(ss[0], ss[1]).toString(); + } else { + logger.info("parse i18n file failed: locale is error \"" + localeSrc + "\""); + return; + } + + Map i18nItems = i18nTemps.get(name); + if (i18nItems == null) { + i18nItems = new HashMap(); + i18nTemps.put(name, i18nItems); + } + + for (Entry entry : fileValues.entrySet()) { + String label = entry.getKey(); + + I18nItem i18nItem = i18nItems.get(label); + if (i18nItem == null) { + i18nItem = new I18nItem(label); + i18nItems.put(label, i18nItem); + } + + i18nItem.addValue(locale, entry.getValue()); + } + }); + return i18nTemps; + } + + private boolean validateI18nFileValues(HashMap fileValues, String path) { + for (Entry entry : fileValues.entrySet()) { + if (entry.getValue() != null && !String.class.isInstance(entry.getValue())) { + logger.info("parse i18n file failed: " + path + " field's[" + entry.getKey() + + "] value is not string type"); + return false; + } + } + return true; + } + + protected static I18nContainer getInstance() { + return I18nContainerSingleton.singleton; + } + + Optional getI18n(String name) { + return Optional.ofNullable(this.i18ns.get(name)); + } + + static class I18nContainerSingleton { + private static final I18nContainer singleton = new I18nContainer(); + } +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java new file mode 100644 index 0000000..bda6f2d --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nImpl.java @@ -0,0 +1,137 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.util.Collections; +import java.util.HashMap; +import java.util.Locale; +import java.util.Map; +import java.util.Map.Entry; + +public class I18nImpl implements I18n { + private static Logger logger = LoggerFactory.getLogger(I18nImpl.class); + + private String name; + + private Map items; + + private Map keyToValueMap; + + private Map valueToKeyMap; + + + public I18nImpl(String name, Map items) { + this.name = name; + this.items = Collections.unmodifiableMap(items); + + keyToValueMap = new HashMap<>(items.size()); + valueToKeyMap = new HashMap<>(items.size() * 3); + + try { + for (Entry entry : items.entrySet()) { + String key = entry.getKey(); + I18nItem item = entry.getValue(); + String value = I18nJsonUtil.getInstance().writeToJson(item.getValues()); + + keyToValueMap.put(key, value); + for (Entry valueEntry : item.getValues().entrySet()) { + valueToKeyMap.put(valueEntry.getValue(), key); + } + } + } catch (Exception e) { + logger.error("new I18nImpl failed:" + name, e); + } + + keyToValueMap = Collections.unmodifiableMap(keyToValueMap); + valueToKeyMap = Collections.unmodifiableMap(valueToKeyMap); + } + + @Override + public Map getLabelValues(String labelKey) { + I18nItem item = items.get(labelKey); + if (item != null) { + return item.getValues(); + } + return null; + } + + @Override + public String getLabelValue(String labelKey, Locale theLocale) { + I18nItem item = items.get(labelKey); + if (item != null) { + Map values = item.getValues(); + return values.get(I18nLocaleTransfer.transfer(theLocale, values.keySet())); + } + return null; + } + + @Override + public String getLabelValue(String labelKey, Locale theLocale, String[] arguments) { + I18nItem item = items.get(labelKey); + if (item != null) { + Map values = item.getValues(); + String value = values.get(I18nLocaleTransfer.transfer(theLocale, values.keySet())); + return replaceArguments(value, arguments); + } + return null; + } + + @Override + public Map getLabelValues(String labelKey, String[] arguments) { + I18nItem item = items.get(labelKey); + if (item != null) { + Map map = new HashMap(); + for (Entry entry : item.getValues().entrySet()) { + String value = entry.getValue(); + map.put(entry.getKey(), replaceArguments(value, arguments)); + } + return map; + } + return null; + } + + @Override + public String getCanonicalLabelValues(String labelKey) { + return keyToValueMap.get(labelKey); + } + + @Override + public String getKeyFromValue(String aValue) { + return valueToKeyMap.get(aValue); + } + + private String replaceArguments(String value, String[] arguments) { + if (value == null) { + return null; + } + if (arguments != null) { + int i = 0; + for (String argument : arguments) { + if (argument == null) { + value = value.replaceAll("\\{\\s*" + i + "\\s*\\}", ""); + } else { + value = value.replaceAll("\\{\\s*" + i + "\\s*\\}", argument); + } + i++; + } + } + return value.replaceAll("\\{\\s*\\d+\\s*\\}", ""); + } + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nItem.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nItem.java new file mode 100644 index 0000000..1aaaf6f --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nItem.java @@ -0,0 +1,53 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import java.util.Collections; +import java.util.HashMap; +import java.util.Map; + +public class I18nItem { + + private String lable; + + private Map values; + + public I18nItem(String lable) { + this.lable = lable; + values = new HashMap(); + } + + public I18nItem(String lable, Map values) { + this.lable = lable; + this.values = values; + } + + public String getLable() { + return lable; + } + + public Map getValues() { + return values; + } + + public void addValue(String locale, String value) { + values.put(locale, value); + } + + public void unmodifiable() { + values = Collections.unmodifiableMap(values); + } +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nJsonUtil.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nJsonUtil.java new file mode 100644 index 0000000..e3746dc --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nJsonUtil.java @@ -0,0 +1,170 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import com.fasterxml.jackson.core.JsonParseException; +import com.fasterxml.jackson.core.JsonProcessingException; +import com.fasterxml.jackson.databind.JsonMappingException; +import com.fasterxml.jackson.databind.ObjectMapper; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.Locale; +import java.util.Set; +import java.util.concurrent.locks.Lock; +import java.util.concurrent.locks.ReentrantLock; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +final class I18nJsonUtil { + + private static I18nJsonUtil util; + private static Lock lock = new ReentrantLock(); + private ObjectMapper objectMapper; + + public I18nJsonUtil(ObjectMapper objectMapper) { + this.objectMapper = objectMapper; + } + + T readFromJson(InputStream ins, Class clazz) + throws JsonParseException, JsonMappingException, IOException { + ByteArrayOutputStream baos = new ByteArrayOutputStream(); + byte[] bs = new byte[1024 * 10]; + int length = -1; + while ((length = ins.read(bs)) > 0) { + baos.write(bs, 0, length); + } + bs = baos.toByteArray(); + + byte[] ubs = null; + if (bs.length > 3) { + // 删除bom头 -17, -69, -65 + if (bs[0] == -17 && bs[1] == -69 && bs[2] == -65) { + ubs = new byte[bs.length - 3]; + System.arraycopy(bs, 3, ubs, 0, ubs.length); + } + } + if (ubs == null) { + ubs = bs; + } + return objectMapper.readValue(ubs, clazz); + } + + T readFromJson(String str, Class clazz) + throws JsonParseException, JsonMappingException, IOException { + return objectMapper.readValue(str, clazz); + } + + String writeToJson(Object obj) throws JsonProcessingException { + return objectMapper.writeValueAsString(obj); + } + + static I18nJsonUtil getInstance(ObjectMapper objectMapper) { + if (util == null) { + lock.lock(); + try { + if (util == null) { + if (objectMapper == null) { + objectMapper = new ObjectMapper(); + } + util = new I18nJsonUtil(objectMapper); + } + } finally { + lock.unlock(); + } + } + return util; + } + + static I18nJsonUtil getInstance() { + return getInstance(null); + } +} + + +/** + * 国际化转换工具 + * + * @author 10163976 + */ +class I18nLocaleTransfer { + + private static Logger LOG = LoggerFactory.getLogger(I18nLocaleTransfer.class); + + /** + * 方言转换
如果存在直接返回
如果不存在，则获取语言进行模糊匹配，未匹配上则返回默认方言
+ * + * @param theLocale 待转换方言 + * @param locales 存在的方言 + * @return 转换后的方言 + */ + public static String transfer(Locale theLocale, Set locales) { + if (locales == null || locales.isEmpty()) { + LOG.debug("locales is NULL or empty"); + return null; + } + if (theLocale == null) { + String result = fetchDefault(locales); + LOG.debug("transfer NULL --> " + result + " in " + locales); + return result; + } + String locale = theLocale.toString(); + if (locale.isEmpty()) { + String result = fetchDefault(locales); + LOG.debug("transfer EMPTY --> " + result + " in " + locales); + return result; + } + // 精确匹配 + if (locales.contains(locale)) { + return locale; + } + + // 根据语言模糊匹配 + String language = theLocale.getLanguage(); + if (locales.contains(language)) { + LOG.debug("transfer " + locale + " --> " + language + " in " + locales); + return language; + } + + language = language + "_"; + for (String temp : locales) { + if (temp.startsWith(language)) { + LOG.debug("transfer " + locale + " --> " + temp + " in " + locales); + return temp; + } + } + String result = fetchDefault(locales); + LOG.debug("transfer " + locale + " --> " + result + " in " + locales); + return result; + } + + /** + * 返回默认方言，优先级为en,en_US,zh,zh_CN，如果都不存在，则随机返回一个 + */ + private static String fetchDefault(Set locales) { + if (locales.contains("en")) { + return "en"; + } else if (locales.contains("en_US")) { + return "en_US"; + } + if (locales.contains("zh")) { + return "zh"; + } else if (locales.contains("zh_CN")) { + return "zh_CN"; + } + return locales.iterator().next(); + } +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nService.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nService.java new file mode 100644 index 0000000..a643356 --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/I18nService.java @@ -0,0 +1,38 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + + +import java.util.Optional; +import org.jvnet.hk2.annotations.Contract; +import org.openo.baseservice.i18n.ErrorCodeI18n.ErrorItem; + +@Contract +public interface I18nService { + + /** + * Get the corresponding examples of international documents (all languages),
for the above + * example topology (for example, the Chinese definition: topo-i18n-zh-CN.json, English + * definition Topo -i18n-en-US.json), into the reference into the "TOPO" can be
(i.e. + * except "-i18n-*.json" after the exact match). + * + * @return Optional + */ + public Optional getI18n(String i18nFilePrefix); + + public Optional getErrorItem(int errorCode); + +} diff --git a/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/JsonResourceScanner.java b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/JsonResourceScanner.java new file mode 100644 index 0000000..9f5ef3a --- /dev/null +++ b/baseservice-i18n/src/main/java/org/openo/baseservice/i18n/JsonResourceScanner.java @@ -0,0 +1,81 @@ +/** + * Copyright 2017 ZTE Corporation. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.openo.baseservice.i18n; + +import org.reflections.Reflections; +import org.reflections.scanners.ResourcesScanner; +import org.reflections.util.ClasspathHelper; +import org.reflections.util.ConfigurationBuilder; + +import java.io.File; +import java.net.URL; +import java.util.Collection; +import java.util.Collections; +import java.util.Iterator; +import java.util.Set; +import java.util.regex.Pattern; + +final class JsonResourceScanner { + private static final org.slf4j.Logger LOG = + org.slf4j.LoggerFactory.getLogger(JsonResourceScanner.class); + private static final Pattern PATTERN_OF_I18N_FILE_NAME = + Pattern.compile(".*?\\-i18n\\-.*?\\.json"); + private static final Pattern PATTERN_OF_ERROR_CODE_FILE_NAME = + Pattern.compile(".*?\\-errorcode\\-.*?\\.json"); + + private static Collection findFromClassPath(Pattern pattern) { + ConfigurationBuilder configurationBuilder = new ConfigurationBuilder(); + Collection urls = ClasspathHelper.forJavaClassPath(); + + for (Iterator iter = urls.iterator(); iter.hasNext();) { + URL url = iter.next(); + boolean exist = false; + try { + exist = new File(url.getFile()).exists(); + if (!exist) { + LOG.info("class path url ignored for not exists: " + url.toString()); + } + } catch (Exception e) { + LOG.info("class path url ignored for exception: " + url.toString(), e); + exist = false; + } + if (!exist) { + iter.remove(); + } + } + for (URL url : urls) { + LOG.info("class path url:" + url.toString()); + } + configurationBuilder.addUrls(urls); + configurationBuilder.setScanners(new ResourcesScanner()); + configurationBuilder.useParallelExecutor(); + Reflections reflections = new Reflections(configurationBuilder); + Set results = reflections.getResources(pattern); + if (results == null) { + return Collections.emptySet(); + } else { + return results; + } + } + + static Collection findI18nPaths() { + return findFromClassPath(PATTERN_OF_I18N_FILE_NAME); + } + + static Collection findErrorCodePaths() { + return findFromClassPath(PATTERN_OF_ERROR_CODE_FILE_NAME); + } +} -- cgit 1.2.3-korg