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Posted to commits@stanbol.apache.org by fc...@apache.org on 2010/12/02 16:39:00 UTC
svn commit: r1041417 - in /incubator/stanbol/trunk/fise/generic/jsonld:
pom.xml src/main/java/eu/iksproject/fise/jsonld/JsonSerializer.java
Author: fchrist
Date: Thu Dec 2 15:39:00 2010
New Revision: 1041417
URL: http://svn.apache.org/viewvc?rev=1041417&view=rev
Log:
Removed unused dependency from POM. Added missing JsonSerializer class.
Added:
incubator/stanbol/trunk/fise/generic/jsonld/src/main/java/eu/iksproject/fise/jsonld/JsonSerializer.java
Modified:
incubator/stanbol/trunk/fise/generic/jsonld/pom.xml
Modified: incubator/stanbol/trunk/fise/generic/jsonld/pom.xml
URL: http://svn.apache.org/viewvc/incubator/stanbol/trunk/fise/generic/jsonld/pom.xml?rev=1041417&r1=1041416&r2=1041417&view=diff
==============================================================================
--- incubator/stanbol/trunk/fise/generic/jsonld/pom.xml (original)
+++ incubator/stanbol/trunk/fise/generic/jsonld/pom.xml Thu Dec 2 15:39:00 2010
@@ -57,11 +57,7 @@
<dependency>
<groupId>org.codehaus.jettison</groupId>
<artifactId>jettison</artifactId>
- </dependency>
- <!-- dependency>
- <groupId>com.googlecode.json-simple</groupId>
- <artifactId>json-simple</artifactId>
- </dependency -->
+ </dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
Added: incubator/stanbol/trunk/fise/generic/jsonld/src/main/java/eu/iksproject/fise/jsonld/JsonSerializer.java
URL: http://svn.apache.org/viewvc/incubator/stanbol/trunk/fise/generic/jsonld/src/main/java/eu/iksproject/fise/jsonld/JsonSerializer.java?rev=1041417&view=auto
==============================================================================
--- incubator/stanbol/trunk/fise/generic/jsonld/src/main/java/eu/iksproject/fise/jsonld/JsonSerializer.java (added)
+++ incubator/stanbol/trunk/fise/generic/jsonld/src/main/java/eu/iksproject/fise/jsonld/JsonSerializer.java Thu Dec 2 15:39:00 2010
@@ -0,0 +1,184 @@
+package eu.iksproject.fise.jsonld;
+
+import java.util.List;
+import java.util.Map;
+
+
+/**
+ * Class to serialize a JSON object structure whereby the JSON structure is
+ * defined by the basic data types Map and List.
+ *
+ * @author Fabian Christ
+ */
+public class JsonSerializer {
+
+ public static String toString(Map<String, Object> jsonMap) {
+ StringBuffer sb = new StringBuffer();
+
+ appendJsonMap(jsonMap, sb, 0, 0);
+ removeOddChars(sb, 0);
+
+ return sb.toString();
+ }
+
+ public static String toString(Map<String, Object> jsonMap, int indent) {
+ StringBuffer sb = new StringBuffer();
+
+ appendJsonMap(jsonMap, sb, indent, 0);
+ removeOddChars(sb, indent);
+
+ return sb.toString();
+ }
+
+ public static String toString(List<Object> jsonArray) {
+ StringBuffer sb = new StringBuffer();
+
+ appendList(jsonArray, sb, 0, 0);
+
+ return sb.toString();
+ }
+
+ public static String toString(List<Object> jsonArray, int indent) {
+ StringBuffer sb = new StringBuffer();
+
+ appendList(jsonArray, sb, indent, 0);
+
+ return sb.toString();
+ }
+
+ private static void appendJsonMap(Map<String, Object> jsonMap, StringBuffer sb, int indent, int level) {
+ sb.append('{');
+ level = increaseIndentationLevel(sb, indent, level);
+ for (String key : jsonMap.keySet()) {
+ appendIndentation(sb, indent, level);
+ appendQuoted(key, sb);
+ if (indent == 0)
+ sb.append(':');
+ else
+ sb.append(": ");
+ appendValueOf(jsonMap.get(key), sb, indent, level);
+ }
+ removeOddChars(sb, indent);
+ level = decreaseIndentationLevel(sb, indent, level);
+ appendIndentation(sb, indent, level);
+ sb.append('}').append(',');
+ appendLinefeed(sb, indent);
+ }
+
+ @SuppressWarnings("unchecked")
+ private static void appendValueOf(Object object, StringBuffer sb, int indent, int level) {
+ if (object == null) {
+ return;
+ }
+
+ if (object instanceof String) {
+ String strValue = (String) object;
+ appendQuoted(strValue, sb);
+ sb.append(',');
+ appendLinefeed(sb, indent);
+ }
+ else if (object instanceof Map<?,?>) {
+ Map<String, Object> mapValue = (Map<String, Object>) object;
+ appendJsonMap(mapValue, sb, indent, level);
+ }
+ else if (object instanceof List<?>) {
+ List<Object> lstValue = (List<Object>) object;
+ appendList(lstValue, sb, indent, level);
+ sb.append(',');
+ appendLinefeed(sb, indent);
+ }
+ else {
+ sb.append(object.toString());
+ sb.append(',');
+ }
+ }
+
+ private static void appendList(List<Object> jsonArray, StringBuffer sb, int indent, int level) {
+ sb.append('[');
+ level = increaseIndentationLevel(sb, indent, level);
+ for (Object object : jsonArray) {
+ appendIndentation(sb, indent, level);
+ appendValueOf(object, sb, indent, level);
+ }
+ removeOddChars(sb, indent);
+ level = decreaseIndentationLevel(sb, indent, level);
+ appendIndentation(sb, indent, level);
+ sb.append(']');
+ }
+
+ private static void appendQuoted(String string, StringBuffer sb) {
+ sb.append('"');
+ for (int i = 0; i < string.length(); i++) {
+ char ch = string.charAt(i);
+ switch (ch) {
+ case '\\':
+ case '"':
+ sb.append('\\');
+ sb.append(ch);
+ break;
+ case '/':
+ sb.append('\\');
+ sb.append(ch);
+ break;
+ case '\b':
+ sb.append("\\b");
+ break;
+ case '\t':
+ sb.append("\\t");
+ break;
+ case '\n':
+ sb.append("\\n");
+ break;
+ case '\f':
+ sb.append("\\f");
+ break;
+ case '\r':
+ sb.append("\\r");
+ break;
+ default:
+ if (ch < ' ') {
+ String str = "000" + Integer.toHexString(ch);
+ sb.append("\\u" + str.substring(str.length() - 4));
+ } else {
+ sb.append(ch);
+ }
+ }
+ }
+ sb.append('"');
+ }
+
+ private static void appendIndentation(StringBuffer sb, int indent, int level) {
+ for (int i=0; i<(indent*level); i++) {
+ sb.append(' ');
+ }
+ }
+
+ private static int decreaseIndentationLevel(StringBuffer sb, int indent, int level) {
+ if (indent > 0) {
+ appendLinefeed(sb, indent);
+ level--;
+ }
+ return level;
+ }
+
+ private static int increaseIndentationLevel(StringBuffer sb, int indent, int level) {
+ if (indent > 0) {
+ appendLinefeed(sb, indent);
+ level++;
+ }
+ return level;
+ }
+
+ private static void appendLinefeed(StringBuffer sb, int indent) {
+ if (indent > 0) {
+ sb.append('\n');
+ }
+ }
+
+ private static void removeOddChars(StringBuffer sb, int indent) {
+ sb.deleteCharAt(sb.length()-1);
+ if (indent > 0) {
+ sb.deleteCharAt(sb.length()-1);
+ }
+ }
+}