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Ant example source code file (DOMElementWriterTest.java)

This example Ant source code file (DOMElementWriterTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

a, a0, document, document, dom, domelementwriter, domelementwriter, domelementwritertest, element, element, io, ioexception, only_qualify_elements, qualify_all, stringwriter, stringwriter

The DOMElementWriterTest.java source code

/*
 *  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.tools.ant.util;

import java.io.IOException;
import java.io.StringWriter;

import junit.framework.TestCase;

import org.w3c.dom.Document;
import org.w3c.dom.Element;

/**
 * Tests for org.apache.tools.ant.util.DOMElementWriter.
 *
 */
public class DOMElementWriterTest extends TestCase {

    private DOMElementWriter w = new DOMElementWriter();

    public DOMElementWriterTest(String name) {
        super(name);
    }

    public void testIsReference() {
        assertTrue("", w.isReference(""));
        assertTrue(" ", w.isReference(" "));
        assertTrue(" ", w.isReference(" "));
        assertTrue("&#A0;", !w.isReference("&#A0;"));
        assertTrue("20;", !w.isReference("20;"));
        assertTrue("", !w.isReference(""));
        assertTrue(""", w.isReference("""));
        assertTrue("'", w.isReference("'"));
        assertTrue(">", w.isReference(">"));
        assertTrue("<", w.isReference("<"));
        assertTrue("&", w.isReference("&"));
    }

    public void testEncode() {
        assertEquals("", w.encode(""));
        assertEquals(" ", w.encode(" "));
        assertEquals(" ", w.encode(" "));
        assertEquals("&#A0;", w.encode("&#A0;"));
        assertEquals("20;", w.encode("20;"));
        assertEquals("&#20", w.encode(""));
        assertEquals(""", w.encode("""));
        assertEquals("'", w.encode("'"));
        assertEquals(">", w.encode(">"));
        assertEquals("<", w.encode("<"));
        assertEquals("&", w.encode("&"));
        assertEquals(""", w.encode("\""));
        assertEquals("<", w.encode("<"));
        assertEquals("&", w.encode("&"));
        assertEquals("", w.encode("\u0017"));
        assertEquals("\"20;&", w.encodedata("\"20;&"));
        assertEquals("", w.encodedata("\u0017"));
    }

    public void testIsLegalCharacter() {
        assertTrue("0x00", !w.isLegalCharacter('\u0000'));
        assertTrue("0x09", w.isLegalCharacter('\t'));
        assertTrue("0x0A", w.isLegalCharacter('\n'));
        assertTrue("0x0C", w.isLegalCharacter('\r'));
        assertTrue("0x1F", !w.isLegalCharacter('\u001F'));
        assertTrue("0x20", w.isLegalCharacter('\u0020'));
        assertTrue("0xD7FF", w.isLegalCharacter('\uD7FF'));
        assertTrue("0xD800", !w.isLegalCharacter('\uD800'));
        assertTrue("0xDFFF", !w.isLegalCharacter('\uDFFF'));
        assertTrue("0xE000", w.isLegalCharacter('\uE000'));
        assertTrue("0xFFFD", w.isLegalCharacter('\uFFFD'));
        assertTrue("0xFFFE", !w.isLegalCharacter('\uFFFE'));
    }

    public void testCDATAEndEncoding() {
        assertEquals("]>", w.encodedata("]>"));
        assertEquals("]]", w.encodedata("]]"));
        assertEquals("]]>", w.encodedata("]]>"));
        assertEquals("]]>A", w.encodedata("]]>A"));
        assertEquals("A]]>", w.encodedata("A]]>"));
        assertEquals("A]]>A", w.encodedata("A]]>A"));
        assertEquals("A]]>B]]>C",
                     w.encodedata("A]]>B]]>C"));
    }

    public void testNoAdditionalWhiteSpaceForText() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElement("root");
        DOMUtils.appendTextElement(root, "textElement", "content");

        StringWriter sw = new StringWriter();
        DOMElementWriter w = new DOMElementWriter();
        w.write(root, sw, 0, "  ");
        assertEquals("<root>" + StringUtils.LINE_SEP
                     + "  <textElement>content"
                     + StringUtils.LINE_SEP
                     + "</root>" + StringUtils.LINE_SEP,
                     sw.toString());
    }

    public void testNoAdditionalWhiteSpaceForCDATA() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElement("root");
        DOMUtils.appendCDATAElement(root, "cdataElement", "content");

        StringWriter sw = new StringWriter();
        DOMElementWriter w = new DOMElementWriter();
        w.write(root, sw, 0, "  ");
        assertEquals("<root>" + StringUtils.LINE_SEP
                     + "  <cdataElement>"
                     + StringUtils.LINE_SEP
                     + "</root>" + StringUtils.LINE_SEP,
                     sw.toString());
    }

    public void testNoAdditionalWhiteSpaceForEmptyElement() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElement("root");
        DOMUtils.createChildElement(root, "emptyElement");

        StringWriter sw = new StringWriter();
        DOMElementWriter w = new DOMElementWriter();
        w.write(root, sw, 0, "  ");
        assertEquals("<root>" + StringUtils.LINE_SEP
                     //                     + "  <emptyElement>"
                     + "  <emptyElement />"
                     + StringUtils.LINE_SEP
                     + "</root>" + StringUtils.LINE_SEP,
                     sw.toString());
    }

    public void testNoNSPrefixByDefault() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElementNS("urn:foo", "root");
        root.setAttributeNS("urn:foo2", "bar", "baz");

        StringWriter sw = new StringWriter();
        DOMElementWriter w = new DOMElementWriter();
        w.write(root, sw, 0, "  ");
        assertEquals("<root bar=\"baz\" />"
                     + StringUtils.LINE_SEP, sw.toString());
    }

    public void testNSOnElement() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElementNS("urn:foo", "root");
        root.setAttributeNS("urn:foo2", "bar", "baz");

        StringWriter sw = new StringWriter();
        DOMElementWriter w =
            new DOMElementWriter(false,
                                 DOMElementWriter.XmlNamespacePolicy
                                 .ONLY_QUALIFY_ELEMENTS);
        w.write(root, sw, 0, "  ");
        assertEquals("<root bar=\"baz\" xmlns=\"urn:foo\" />"
                     + StringUtils.LINE_SEP, sw.toString());
    }

    public void testNSPrefixOnAttribute() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElementNS("urn:foo", "root");
        root.setAttributeNS("urn:foo2", "bar", "baz");

        StringWriter sw = new StringWriter();
        DOMElementWriter w =
            new DOMElementWriter(false,
                                 DOMElementWriter.XmlNamespacePolicy
                                 .QUALIFY_ALL);
        w.write(root, sw, 0, "  ");
        assertEquals("<root ns0:bar=\"baz\" xmlns=\"urn:foo\""
                     + " xmlns:ns0=\"urn:foo2\" />"
                     + StringUtils.LINE_SEP, sw.toString());
    }

    public void testNSPrefixOnAttributeEvenWithoutElement() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElementNS("urn:foo", "root");
        root.setAttributeNS("urn:foo2", "bar", "baz");

        StringWriter sw = new StringWriter();
        DOMElementWriter w =
            new DOMElementWriter(false,
                                 new DOMElementWriter.XmlNamespacePolicy(false,
                                                                         true)
                                 );
        w.write(root, sw, 0, "  ");
        assertEquals("<root ns0:bar=\"baz\" xmlns:ns0=\"urn:foo2\" />"
                     + StringUtils.LINE_SEP, sw.toString());
    }

    public void testNSGetsReused() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElementNS("urn:foo", "root");
        Element child = d.createElementNS("urn:foo", "child");
        root.appendChild(child);
        StringWriter sw = new StringWriter();
        DOMElementWriter w =
            new DOMElementWriter(false,
                                 DOMElementWriter.XmlNamespacePolicy
                                 .ONLY_QUALIFY_ELEMENTS);
        w.write(root, sw, 0, "  ");
        assertEquals("<root xmlns=\"urn:foo\">"
                     + StringUtils.LINE_SEP
                     + "  <child />"
                     + StringUtils.LINE_SEP
                     + "</root>"
                     + StringUtils.LINE_SEP, sw.toString());
    }

    public void testNSGoesOutOfScope() throws IOException {
        Document d = DOMUtils.newDocument();
        Element root = d.createElementNS("urn:foo", "root");
        Element child = d.createElementNS("urn:foo2", "child");
        root.appendChild(child);
        Element child2 = d.createElementNS("urn:foo2", "child");
        root.appendChild(child2);
        Element grandChild = d.createElementNS("urn:foo2", "grandchild");
        child2.appendChild(grandChild);
        Element child3 = d.createElementNS("urn:foo2", "child");
        root.appendChild(child3);
        StringWriter sw = new StringWriter();
        DOMElementWriter w =
            new DOMElementWriter(false,
                                 DOMElementWriter.XmlNamespacePolicy
                                 .ONLY_QUALIFY_ELEMENTS);
        w.write(root, sw, 0, "  ");
        assertEquals("<root xmlns=\"urn:foo\">"
                     + StringUtils.LINE_SEP
                     + "  <ns0:child xmlns:ns0=\"urn:foo2\" />"
                     + StringUtils.LINE_SEP
                     + "  <ns1:child xmlns:ns1=\"urn:foo2\">"
                     + StringUtils.LINE_SEP
                     + "    <ns1:grandchild />"
                     + StringUtils.LINE_SEP
                     + "  </ns1:child>"
                     + StringUtils.LINE_SEP
                     + "  <ns2:child xmlns:ns2=\"urn:foo2\" />"
                     + StringUtils.LINE_SEP
                      + "</root>"
                     + StringUtils.LINE_SEP, sw.toString());
    }
}

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