diff options
Diffstat (limited to 'rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java')
-rw-r--r-- | rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java b/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java new file mode 100644 index 0000000..3c6493c --- /dev/null +++ b/rest-client/src/main/java/org/openo/baseservice/roa/util/clientsdk/HttpUtil.java @@ -0,0 +1,169 @@ +/* + * Copyright (c) 2016, Huawei Technologies Co., Ltd. + * + * 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.roa.util.clientsdk; + +import java.io.UnsupportedEncodingException; +import java.net.URLEncoder; +import java.util.Collection; +import java.util.Date; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Http utilities. + * <br/> + * <p> + * </p> + * + * @author + * @version SDNO 0.5 28-May-2016 + */ +public class HttpUtil { + + /** + * + */ + private static final String APPLICATION_JSON = "application/json"; + + private static final Logger LOGGER = LoggerFactory.getLogger(HttpUtil.class); + + private HttpUtil() { + + } + + /** + * Check if the given array contains the given value (with case-insensitive comparison). + * <br/> + * + * @param array The array + * @param value The value to search + * @return true if the array contains the value + * @since SDNO 0.5 + */ + public static boolean containsIgnoreCase(final String[] array, final String value) { + for(final String str : array) { + if(value == null && str == null) { + return true; + } + if(value != null && value.equalsIgnoreCase(str)) { + return true; + } + } + return false; + } + + /** + * Join an array of strings with the given separator. + * <br/> + * + * @param array The array of strings + * @param separator The separator + * @return the resulting string + * @since SDNO 0.5 + */ + public static String join(final String[] array, final String separator) { + final int len = array.length; + if(len == 0) { + return ""; + } + final StringBuilder out = new StringBuilder(); + out.append(array[0]); + for(int i = 1; i < len; i++) { + out.append(separator).append(array[i]); + } + return out.toString(); + } + + /** + * Format the given parameter object into string. + * <br/> + * + * @param param param input + * @return query param string + * @since SDNO 0.5 + */ + public static String parameterToString(final Object param) { + if(param == null) { + return ""; + } else if(param instanceof Date) { + return Long.toString(((Date)param).getTime()); + } else if(param instanceof Collection) { + final StringBuilder b = new StringBuilder(); + for(final Object o : (Collection)param) { + if(b.length() > 0) { + b.append(','); + } + b.append(String.valueOf(o)); + } + return b.toString(); + } else { + return String.valueOf(param); + } + } + + /** + * get accept header + * <br/> + * + * @param accepts accepts accept types + * @return the accepts string + * @since SDNO 0.5 + */ + public static String selectHeaderAccept(final String[] accepts) { + if(accepts.length == 0) { + return null; + } + if(HttpUtil.containsIgnoreCase(accepts, APPLICATION_JSON)) { + return APPLICATION_JSON; + } + return HttpUtil.join(accepts, ","); + } + + /** + * select head content type + * <br/> + * + * @param contentTypes contentTypes content types + * @return the json string or the first content type + * @since SDNO 0.5 + */ + public static String selectHeaderContentType(final String[] contentTypes) { + if(contentTypes.length == 0) { + return APPLICATION_JSON; + } + if(HttpUtil.containsIgnoreCase(contentTypes, APPLICATION_JSON)) { + return APPLICATION_JSON; + } + return contentTypes[0]; + } + + /** + * Escape the given string to be used as URL query value.<br/> + * + * @param str str param str + * @return escape string + * @since SDNO 0.5 + */ + public static String escapeString(final String str) { + try { + return URLEncoder.encode(str, "utf8").replaceAll("\\+", "%20"); + } catch(final UnsupportedEncodingException e) { + LOGGER.info("UTF8 is not supported", e); + return str; + } + } +} |