[Practicalxml-commits] SF.net SVN: practicalxml:[124] branches/dev-1.1/src

[Auto-Generated S. C. M. <pra...@li...>]

Revision: 124
          http://practicalxml.svn.sourceforge.net/practicalxml/?rev=124&view=rev
Author:   kdgregory
Date:     2009-09-08 16:06:13 +0000 (Tue, 08 Sep 2009)

Log Message:
-----------
implement Xml2Json conversion

Added Paths:
-----------
    branches/dev-1.1/src/main/java/net/sf/practicalxml/converter/json/
    branches/dev-1.1/src/main/java/net/sf/practicalxml/converter/json/Xml2JsonConverter.java
    branches/dev-1.1/src/test/java/net/sf/practicalxml/converter/json/
    branches/dev-1.1/src/test/java/net/sf/practicalxml/converter/json/TestXml2JsonConverter.java

Added: branches/dev-1.1/src/main/java/net/sf/practicalxml/converter/json/Xml2JsonConverter.java
===================================================================
--- branches/dev-1.1/src/main/java/net/sf/practicalxml/converter/json/Xml2JsonConverter.java	                        (rev 0)
+++ branches/dev-1.1/src/main/java/net/sf/practicalxml/converter/json/Xml2JsonConverter.java	2009-09-08 16:06:13 UTC (rev 124)
@@ -0,0 +1,73 @@
+// Copyright 2008-2009 severally by the contributors
+//
+// 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 net.sf.practicalxml.converter.json;
+
+import java.util.Iterator;
+import java.util.List;
+
+import net.sf.practicalxml.DomUtil;
+
+import org.w3c.dom.Element;
+
+
+/**
+ *  Handles the actual work of converting XML to JSON.
+ */
+public class Xml2JsonConverter
+{
+    /**
+     *  Appends the contents of the specified element to an existing buffer.
+     *  Returns the buffer as a convenience.
+     */
+    public StringBuffer convert(Element elem, StringBuffer buf)
+    {
+        String text = DomUtil.getText(elem);
+        if (text != null)
+            return appendText(text, buf);
+        else
+            return appendChildren(elem, buf);
+    }
+
+
+//----------------------------------------------------------------------------
+//  Internals
+//----------------------------------------------------------------------------
+
+    private StringBuffer appendText(String text, StringBuffer buf)
+    {
+        buf.append('"')
+           .append(text)
+           .append('"');
+        return buf;
+    }
+
+
+    private StringBuffer appendChildren(Element elem, StringBuffer buf)
+    {
+        buf.append("{");
+        List<Element> children = DomUtil.getChildren(elem);
+        for (Iterator<Element> childItx = children.iterator() ; childItx.hasNext() ; )
+        {
+            Element child = childItx.next();
+            buf.append(DomUtil.getLocalName(child))
+               .append(": ");
+            convert(child, buf);
+            if (childItx.hasNext())
+                buf.append(", ");
+        }
+        buf.append("}");
+        return buf;
+    }
+}


Property changes on: branches/dev-1.1/src/main/java/net/sf/practicalxml/converter/json/Xml2JsonConverter.java
___________________________________________________________________
Added: svn:executable
   + *

Added: branches/dev-1.1/src/test/java/net/sf/practicalxml/converter/json/TestXml2JsonConverter.java
===================================================================
--- branches/dev-1.1/src/test/java/net/sf/practicalxml/converter/json/TestXml2JsonConverter.java	                        (rev 0)
+++ branches/dev-1.1/src/test/java/net/sf/practicalxml/converter/json/TestXml2JsonConverter.java	2009-09-08 16:06:13 UTC (rev 124)
@@ -0,0 +1,87 @@
+// Copyright 2008-2009 severally by the contributors
+//
+// 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 net.sf.practicalxml.converter.json;
+
+import org.w3c.dom.Element;
+
+import net.sf.practicalxml.builder.ElementNode;
+import net.sf.practicalxml.converter.AbstractConversionTestCase;
+
+import static net.sf.practicalxml.builder.XmlBuilder.*;
+
+
+public class TestXml2JsonConverter
+extends AbstractConversionTestCase
+{
+    public TestXml2JsonConverter(String testName)
+    {
+        super(testName);
+    }
+
+
+//----------------------------------------------------------------------------
+//  Support Code
+//----------------------------------------------------------------------------
+
+    public void convertAndAssert(String expected, ElementNode rootNode)
+    {
+        Element root = rootNode.toDOM().getDocumentElement();
+        StringBuffer buf = new Xml2JsonConverter()
+                           .convert(root, new StringBuffer());
+        assertEquals(expected, buf.toString());
+    }
+
+
+//----------------------------------------------------------------------------
+//  Test Cases
+//----------------------------------------------------------------------------
+
+    public void testEmptyConversion() throws Exception
+    {
+        convertAndAssert(
+                "{}",
+                element("data"));
+    }
+
+
+    public void testSingleChild() throws Exception
+    {
+        convertAndAssert(
+                "{foo: \"bar\"}",
+                element("data",
+                    element("foo", text("bar"))));
+    }
+
+
+    public void testTwoChildren() throws Exception
+    {
+        convertAndAssert(
+                "{foo: \"bar\", argle: \"bargle\"}",
+                element("data",
+                    element("foo", text("bar")),
+                    element("argle", text("bargle"))));
+    }
+
+
+    public void testChildAndGrandchildren() throws Exception
+    {
+        convertAndAssert(
+                "{foo: \"bar\", argle: {biz: \"baz\", fizz: \"buzz\"}}",
+                element("data",
+                    element("foo", text("bar")),
+                    element("argle",
+                        element("biz", text("baz")),
+                        element("fizz", text("buzz")))));
+    }
+}


Property changes on: branches/dev-1.1/src/test/java/net/sf/practicalxml/converter/json/TestXml2JsonConverter.java
___________________________________________________________________
Added: svn:executable
   + *


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