diff options
Diffstat (limited to 'plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java')
| -rw-r--r-- | plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java | 518 |
1 files changed, 518 insertions, 0 deletions
diff --git a/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java b/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java new file mode 100644 index 000000000..9870221d7 --- /dev/null +++ b/plugins/restapi-call-node/provider/src/main/java/org/onap/ccsdk/sli/plugins/restapicall/XmlJsonUtil.java @@ -0,0 +1,518 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : SDN-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights + * reserved. + * ================================================================================ + * 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. + * ============LICENSE_END========================================================= + */ + +package org.onap.ccsdk.sli.plugins.restapicall; + +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import org.apache.commons.text.StringEscapeUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public final class XmlJsonUtil { + + @SuppressWarnings("unused") + private static final Logger log = LoggerFactory.getLogger(XmlJsonUtil.class); + + private XmlJsonUtil() { + // Preventing instantiation of the same. + } + + public static String getXml(Map<String, String> varmap, String var) { + boolean escape = true; + if (var.startsWith("'")) { + var = var.substring(1); + escape = false; + } + + Object o = createStructure(varmap, var); + return generateXml(o, 0, escape); + } + + public static String getJson(Map<String, String> varmap, String var) { + boolean escape = true; + if (var.startsWith("'")) { + var = var.substring(1); + escape = false; + } + + boolean quotes = true; + if (var.startsWith("\"")) { + var = var.substring(1); + quotes = false; + } + + Object o = createStructure(varmap, var); + return generateJson(o, escape, quotes); + } + + private static Object createStructure(Map<String, String> flatmap, String var) { + if (flatmap.containsKey(var)) { + return flatmap.get(var); + } + + Map<String, Object> mm = new HashMap<>(); + List<Object> ll = new ArrayList<>(); + + for (Map.Entry<String, String> e : flatmap.entrySet()) { + String key = e.getKey(); + String value = e.getValue(); + + if (key.endsWith("_length") || key.endsWith("].key")) { + continue; + } + + if (value == null || value.trim().isEmpty()) { + continue; + } + + if (key.startsWith(var + "[")) { + String newKey = key.substring(var.length()); + set(ll, newKey, value); + } else if (var == null || var.isEmpty()) { + set(mm, key, value); + } else if (key.startsWith(var + ".")) { + String newKey = key.substring(var.length() + 1); + set(mm, newKey, value); + } + } + + if (!mm.isEmpty()) { + return mm; + } + if (!ll.isEmpty()) { + return ll; + } + return null; + } + + @SuppressWarnings("unchecked") + public static void set(Object struct, String compositeKey, Object value) { + if (struct == null) { + throw new IllegalArgumentException("Null argument: struct"); + } + + if (compositeKey == null || compositeKey.length() == 0) { + throw new IllegalArgumentException("Null or empty argument: compositeKey"); + } + + if (value == null) { + return; + } + + List<Object> keys = splitCompositeKey(compositeKey); + Object currentValue = struct; + String currentKey = ""; + + for (int i = 0; i < keys.size() - 1; i++) { + Object key = keys.get(i); + + if (key instanceof Integer) { + if (!(currentValue instanceof List)) { + throw new IllegalArgumentException("Cannot resolve: " + compositeKey + ": References list '" + currentKey + "', but '" + currentKey + "' is not a list"); + } + + Integer keyi = (Integer) key; + List<Object> currentValueL = (List<Object>) currentValue; + int size = currentValueL.size(); + + if (keyi >= size) { + for (int k = 0; k < keyi - size + 1; k++) { + currentValueL.add(null); + } + } + + Object newValue = currentValueL.get(keyi); + if (newValue == null) { + Object nextKey = keys.get(i + 1); + if (nextKey instanceof Integer) { + newValue = new ArrayList<>(); + } else { + newValue = new HashMap<>(); + } + currentValueL.set(keyi, newValue); + } + + currentValue = newValue; + currentKey += "[" + key + "]"; + + } else { + if (!(currentValue instanceof Map)) { + throw new IllegalArgumentException("Cannot resolve: " + compositeKey + ": References map '" + currentKey + "', but '" + currentKey + "' is not a map"); + } + + Object newValue = ((Map<String, Object>) currentValue).get(key); + if (newValue == null) { + Object nextKey = keys.get(i + 1); + if (nextKey instanceof Integer) { + newValue = new ArrayList<>(); + } else { + newValue = new HashMap<>(); + } + ((Map<String, Object>) currentValue).put((String) key, newValue); + } + + currentValue = newValue; + currentKey += "." + key; + } + } + + Object key = keys.get(keys.size() - 1); + if (key instanceof Integer) { + if (!(currentValue instanceof List)) { + throw new IllegalArgumentException("Cannot resolve: " + compositeKey + ": References list '" + currentKey + "', but '" + currentKey + "' is not a list"); + } + + Integer keyi = (Integer) key; + List<Object> currentValueL = (List<Object>) currentValue; + int size = currentValueL.size(); + + if (keyi >= size) { + for (int k = 0; k < keyi - size + 1; k++) { + currentValueL.add(null); + } + } + + currentValueL.set(keyi, value); + + } else { + if (!(currentValue instanceof Map)) { + throw new IllegalArgumentException("Cannot resolve: " + compositeKey + ": References map '" + currentKey + "', but '" + currentKey + "' is not a map"); + } + + ((Map<String, Object>) currentValue).put((String) key, value); + } + } + + private static List<Object> splitCompositeKey(String compositeKey) { + if (compositeKey == null) { + return Collections.emptyList(); + } + + String[] ss = compositeKey.split("\\."); + List<Object> ll = new ArrayList<>(); + for (String s : ss) { + if (s.length() == 0) { + continue; + } + + int i1 = s.indexOf('['); + if (i1 < 0) { + ll.add(s); + } else { + if (!s.endsWith("]")) { + throw new IllegalArgumentException("Invalid composite key: " + compositeKey + ": No matching ] found"); + } + + String s1 = s.substring(0, i1); + if (s1.length() > 0) { + ll.add(s1); + } + + String s2 = s.substring(i1 + 1, s.length() - 1); + try { + int n = Integer.parseInt(s2); + if (n < 0) { + throw new IllegalArgumentException("Invalid composite key: " + compositeKey + ": Index must be >= 0: " + n); + } + + ll.add(n); + } catch (NumberFormatException e) { + throw new IllegalArgumentException("Invalid composite key: " + compositeKey + ": Index not a number: " + s2); + } + } + } + + return ll; + } + + @SuppressWarnings("unchecked") + private static String generateXml(Object o, int indent, boolean escape) { + if (o == null) { + return null; + } + + if (o instanceof String) { + return escape ? StringEscapeUtils.escapeXml10((String) o) : (String) o; + }; + + if (o instanceof Map) { + StringBuilder ss = new StringBuilder(); + Map<String, Object> mm = (Map<String, Object>) o; + for (Map.Entry<String, Object> entry : mm.entrySet()) { + Object v = entry.getValue(); + String key = entry.getKey(); + if (v instanceof String) { + String s = escape ? StringEscapeUtils.escapeXml10((String) v) : (String) v; + ss.append(pad(indent)).append('<').append(key).append('>'); + ss.append(s); + ss.append("</").append(key).append('>').append('\n'); + } else if (v instanceof Map) { + ss.append(pad(indent)).append('<').append(key).append('>').append('\n'); + ss.append(generateXml(v, indent + 1, escape)); + ss.append(pad(indent)).append("</").append(key).append('>').append('\n'); + } else if (v instanceof List) { + List<Object> ll = (List<Object>) v; + for (Object o1 : ll) { + ss.append(pad(indent)).append('<').append(key).append('>').append('\n'); + ss.append(generateXml(o1, indent + 1, escape)); + ss.append(pad(indent)).append("</").append(key).append('>').append('\n'); + } + } + } + return ss.toString(); + } + + return null; + } + private static String generateJson(Object o, boolean escape, boolean quotes) { + if (o == null) { + return null; + } + if (o instanceof String && ((String) o).length() == 0) { + return null; + } + + StringBuilder ss = new StringBuilder(); + generateJson(ss, o, 0, false, escape, quotes); + return ss.toString(); + } + + @SuppressWarnings("unchecked") + private static void generateJson(StringBuilder ss, Object o, int indent, boolean padFirst, boolean escape, boolean quotes) { + if (o instanceof String) { + String s = escape ? StringEscapeUtils.escapeJson((String) o) : (String) o; + if (padFirst) { + ss.append(pad(indent)); + } + if (quotes) { + ss.append('"').append(s).append('"'); + } else { + ss.append(s); + } + return; + } + + if (o instanceof Map) { + Map<String, Object> mm = (Map<String, Object>) o; + + if (padFirst) { + ss.append(pad(indent)); + } + ss.append("{\n"); + + boolean first = true; + for (Map.Entry<String, Object> entry : mm.entrySet()) { + if (!first) { + ss.append(",\n"); + } + first = false; + Object v = entry.getValue(); + String key = entry.getKey(); + ss.append(pad(indent + 1)).append('"').append(key).append("\": "); + generateJson(ss, v, indent + 1, false, escape, true); + } + + ss.append("\n"); + ss.append(pad(indent)).append('}'); + + return; + } + + if (o instanceof List) { + List<Object> ll = (List<Object>) o; + + if (padFirst) { + ss.append(pad(indent)); + } + ss.append("[\n"); + + boolean first = true; + for (Object o1 : ll) { + if (!first) { + ss.append(",\n"); + } + first = false; + + generateJson(ss, o1, indent + 1, true, escape, quotes); + } + + ss.append("\n"); + ss.append(pad(indent)).append(']'); + } + } + + public static String removeLastCommaJson(String s) { + StringBuilder sb = new StringBuilder(); + int k = 0; + int start = 0; + while (k < s.length()) { + int i11 = s.indexOf('}', k); + int i12 = s.indexOf(']', k); + int i1 = -1; + if (i11 < 0) { + i1 = i12; + } else if (i12 < 0) { + i1 = i11; + } else { + i1 = i11 < i12 ? i11 : i12; + } + if (i1 < 0) { + break; + } + + int i2 = s.lastIndexOf(',', i1); + if (i2 < 0) { + k = i1 + 1; + continue; + } + + String between = s.substring(i2 + 1, i1); + if (between.trim().length() > 0) { + k = i1 + 1; + continue; + } + + sb.append(s.substring(start, i2)); + start = i2 + 1; + k = i1 + 1; + } + + sb.append(s.substring(start, s.length())); + + return sb.toString(); + } + + public static String removeEmptyStructJson(String template, String s) { + int k = 0; + while (k < s.length()) { + boolean curly = true; + int i11 = s.indexOf('{', k); + int i12 = s.indexOf('[', k); + int i1 = -1; + if (i11 < 0) { + i1 = i12; + curly = false; + } else if (i12 < 0) { + i1 = i11; + } else if (i11 < i12) { + i1 = i11; + } else { + i1 = i12; + curly = false; + } + + if (i1 >= 0) { + int i2 = curly ? s.indexOf('}', i1) : s.indexOf(']', i1); + if (i2 > 0) { + String value = s.substring(i1 + 1, i2); + if (value.trim().length() == 0) { + int i4 = s.lastIndexOf('\n', i1); + if (i4 < 0) { + i4 = 0; + } + int i5 = s.indexOf('\n', i2); + if (i5 < 0) { + i5 = s.length(); + } + + + /*If template mandates empty construct to be present, those should not be removed.*/ + if (template != null && template.contains(s.substring(i4))) { + k = i1 + 1; + } else { + s = s.substring(0, i4) + s.substring(i5); + k = 0; + } + } else { + k = i1 + 1; + } + } else { + break; + } + } else { + break; + } + } + + return s; + } + + public static String removeEmptyStructXml(String s) { + int k = 0; + while (k < s.length()) { + int i1 = s.indexOf('<', k); + if (i1 < 0 || i1 == s.length() - 1) { + break; + } + + char c1 = s.charAt(i1 + 1); + if (c1 == '?' || c1 == '!') { + k = i1 + 2; + continue; + } + + int i2 = s.indexOf('>', i1); + if (i2 < 0) { + k = i1 + 1; + continue; + } + + String closingTag = "</" + s.substring(i1 + 1, i2 + 1); + int i3 = s.indexOf(closingTag, i2 + 1); + if (i3 < 0) { + k = i2 + 1; + continue; + } + + String value = s.substring(i2 + 1, i3); + if (value.trim().length() > 0) { + k = i2 + 1; + continue; + } + + int i4 = s.lastIndexOf('\n', i1); + if (i4 < 0) { + i4 = 0; + } + int i5 = s.indexOf('\n', i3); + if (i5 < 0) { + i5 = s.length(); + } + + s = s.substring(0, i4) + s.substring(i5); + k = 0; + } + + return s; + } + + private static String pad(int n) { + StringBuilder s = new StringBuilder(); + for (int i = 0; i < n; i++) { + s.append(Character.toString('\t')); + } + return s.toString(); + } +} |