ARTEMIS-565 Replace json.org with javax.json

Javax.json is a newer JSR, but has an ASF compliant version, is pretty close to the original JSON.org API and will support a standard annotation based JSON-B solution at some point soon.
Updated integration tests and removed JSON.org from license.

LICENSE

@@ -201,34 +201,6 @@
    See the License for the specific language governing permissions and
    limitations under the License.
 
-===============================================================
-= For json processor files.                                   =
-= See: src/main/java/org/apache/activemq/utils/json           =
-===============================================================
-
-Copyright (c) 2002 JSON.org
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-The Software shall be used for Good, not Evil.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
-
-
 ===============================================================
 = For Base64.java file                                        =
 ===============================================================

artemis-commons/src/main/java/org/apache/activemq/artemis/utils/StringEscapeUtils.java

@@ -0,0 +1,108 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you 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.apache.activemq.artemis.utils;
+
+public abstract class StringEscapeUtils {
+   /**
+    * Adapted from commons lang StringEscapeUtils, escapes a string
+    *
+    * @param str
+    * @return an escaped version of the input string.
+    */
+   public static String escapeString(String str) {
+      if (str == null) {
+         return str;
+      }
+      int sz = str.length();
+      StringBuilder stringBuilder = new StringBuilder(str.length());
+      for (int i = 0; i < sz; i++) {
+         char ch = str.charAt(i);
+
+         // handle unicode
+         if (ch > 0xfff) {
+            stringBuilder.append("\\u").append(hex(ch));
+         }
+         else if (ch > 0xff) {
+            stringBuilder.append("\\u0").append(hex(ch));
+         }
+         else if (ch > 0x7f) {
+            stringBuilder.append("\\u00").append(hex(ch));
+         }
+         else if (ch < 32) {
+            switch (ch) {
+               case '\b':
+                  stringBuilder.append('\\').append('b');
+                  break;
+               case '\n':
+                  stringBuilder.append('\\').append('n');
+                  break;
+               case '\t':
+                  stringBuilder.append('\\').append('t');
+                  break;
+               case '\f':
+                  stringBuilder.append('\\').append('f');
+                  break;
+               case '\r':
+                  stringBuilder.append('\\').append('r');
+                  break;
+               default :
+                  if (ch > 0xf) {
+                     stringBuilder.append("\\u00").append(hex(ch));
+                  }
+                  else {
+                     stringBuilder.append("\\u000").append(hex(ch));
+                  }
+                  break;
+            }
+         }
+         else {
+            switch (ch) {
+               case '\'':
+                  stringBuilder.append('\\').append('\'');
+                  break;
+               case '"':
+                  stringBuilder.append('\\').append('"');
+                  break;
+               case '\\':
+                  stringBuilder.append('\\').append('\\');
+                  break;
+               case '/':
+                  stringBuilder.append('\\').append('/');
+                  break;
+               default :
+                  stringBuilder.append(ch);
+                  break;
+            }
+         }
+      }
+      return stringBuilder.toString();
+   }
+
+   /**
+    * <p>Returns an upper case hexadecimal <code>String</code> for the given
+    * character.</p>
+    *
+    * @param ch The character to convert.
+    * @return An upper case hexadecimal <code>String</code>
+    */
+   private static String hex(char ch) {
+      return Integer.toHexString(ch).toUpperCase();
+   }
+}

artemis-core-client/pom.xml

@@ -68,6 +68,14 @@
          <artifactId>junit</artifactId>
          <scope>test</scope>
       </dependency>
+      <dependency>
+         <groupId>org.apache.geronimo.specs</groupId>
+         <artifactId>geronimo-json_1.0_spec</artifactId>
+      </dependency>
+      <dependency>
+         <groupId>org.apache.johnzon</groupId>
+         <artifactId>johnzon-core</artifactId>
+      </dependency>
    </dependencies>
 
    <profiles>