dive4elements/framework: artifacts-common/src/main/java/de/intevation/artifacts/common/utils/XMLUtils.java comparison

comparison artifacts-common/src/main/java/de/intevation/artifacts/common/utils/XMLUtils.java @ 381:bed51de8ae58

Added JSON parser from Artefact Server NG to bridge from JSON to XML speaking services. artifacts/trunk@4270 c6561f87-3c4e-4783-a992-168aeb5c3f6f

author	Sascha L. Teichmann <sascha.teichmann@intevation.de>
date	Wed, 18 Apr 2012 17:10:10 +0000
parents	6431b7efe240
children	823752e3d392

comparison

equal deleted inserted replaced

-:9798e4d83681
+:bed51de8ae58
 * or visit http://www.gnu.org/licenses/ if it does not exist.
 */
 package de.intevation.artifacts.common.utils;
+import java.util.List;
+import java.util.ArrayList;
 import java.util.Map;
+import java.util.LinkedHashMap;
 import java.util.zip.GZIPInputStream;
 import java.util.zip.GZIPOutputStream;
 import java.io.ByteArrayInputStream;
 import java.io.FileInputStream;
 }
 }
 }
 return null;
 }
+private static class BuildResult {
+List<Node>          children;
+Map<String, String> attributes;
+BuildResult() {
+children   = new ArrayList<Node>();
+attributes = new LinkedHashMap<String, String>();
+}
+void setAttributes(Element element) {
+for (Map.Entry<String, String> entry: attributes.entrySet()) {
+element.setAttribute(entry.getKey(), entry.getValue());
+}
+}
+void add(Node node) {
+children.add(node);
+}
+void add(String key, Object value) {
+attributes.put(key, value != null ? value.toString() : "null");
+}
+} // class BuildResult
+private static BuildResult recursiveBuild(
+List     list,
+Document document
+) {
+BuildResult result = new BuildResult();
+for (Object entry: list) {
+if (entry instanceof Map) {
+Element element = document.createElement("map");
+BuildResult subResult = recursiveBuild(
+(Map<String, Object>)entry, document);
+subResult.setAttributes(element);
+result.add(element);
+}
+else if (entry instanceof List) {
+Element element = document.createElement("list");
+BuildResult subResult = recursiveBuild((List)entry, document);
+subResult.setAttributes(element);
+result.add(element);
+}
+else {
+Element element = document.createElement("entry");
+element.setAttribute(
+"value",
+entry != null ? entry.toString() : "null");
+}
+}
+return result;
+}
+private static BuildResult recursiveBuild(
+Map<String, Object> map,
+Document            document
+) {
+BuildResult result = new BuildResult();
+List<Node> nodes = new ArrayList<Node>();
+for (Map.Entry<String, Object> entry: map.entrySet()) {
+Object value = entry.getValue();
+if (value instanceof Map) {
+Element element = document.createElement(entry.getKey());
+BuildResult subResult = recursiveBuild(
+(Map<String, Object>)value, document);
+subResult.setAttributes(element);
+result.add(element);
+}
+else if (value instanceof List) {
+Element element = document.createElement(entry.getKey());
+BuildResult subResult = recursiveBuild((List)value, document);
+subResult.setAttributes(element);
+result.add(element);
+}
+else {
+result.add(entry.getKey(), value);
+}
+}
+return result;
+}
+public static Document jsonToXML(String input) {
+Document document = newDocument();
+if (document == null) {
+return null;
+}
+Map<String, Object> map;
+try {
+map = JSON.parse(input);
+}
+catch (IOException ioe) {
+logger.error(ioe);
+return null;
+}
+BuildResult roots = recursiveBuild(map, document);
+int N = roots.children.size();
+if (N == 1) {
+document.appendChild(roots.children.get(0));
+}
+else if (N > 1) {
+Node root = document.createElement("root");
+for (int i = 0; i < N; ++i) {
+root.appendChild(roots.children.get(i));
+}
+document.appendChild(root);
+}
+return document;
+}
 }
 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

Mercurial > dive4elements > framework

comparison artifacts-common/src/main/java/de/intevation/artifacts/common/utils/XMLUtils.java @ 381:bed51de8ae58