objectcollectiontest.java

html 解析处理代码

// HTMLParser Library $Name: v1_6 $ - A java-based parser for HTML
// http://sourceforge.org/projects/htmlparser
// Copyright (C) 2004 Somik Raha
//
// Revision Control Information
//
// $Source: /cvsroot/htmlparser/htmlparser/src/org/htmlparser/tests/tagTests/ObjectCollectionTest.java,v $
// $Author: derrickoswald $
// $Date: 2006/06/04 19:17:20 $
// $Revision: 1.23 $
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//

package org.htmlparser.tests.tagTests;

import org.htmlparser.Node;
import org.htmlparser.PrototypicalNodeFactory;
import org.htmlparser.Tag;
import org.htmlparser.filters.NodeClassFilter;
import org.htmlparser.tags.Div;
import org.htmlparser.tags.Span;
import org.htmlparser.tags.TableTag;
import org.htmlparser.tests.ParserTestCase;
import org.htmlparser.util.ParserException;
import org.htmlparser.util.ParserUtils;

public class ObjectCollectionTest extends ParserTestCase {

    static
    {
        System.setProperty ("org.htmlparser.tests.tagTests.ObjectCollectionTest", "ObjectCollectionTest");
    }

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

    private void assertSpanContent(Node[] spans) {
        assertEquals("number of span objects expected",2,spans.length);
        assertType("span",Span.class,spans[0]);
        assertType("span",Span.class,spans[1]);
        assertStringEquals(
            "span[0] text",
            "The Refactoring Challenge",
            spans[0].toPlainTextString()
        );
        assertStringEquals(
            "span[1] text",
            "
id: 6",
            spans[1].toPlainTextString()
        );
    }

    public void testSimpleSearch() throws ParserException {
        createParser(
            "<SPAN>The Refactoring Challenge</SPAN>" +
            "<SPAN>&#013;id: 6</SPAN>"
        );
        parser.setNodeFactory (new PrototypicalNodeFactory (new Span ()));
        assertSpanContent(parser.extractAllNodesThatMatch (new NodeClassFilter (Span.class)).toNodeArray ());
    }

    public void testOneLevelNesting() throws ParserException {
        createParser(
            "<DIV>" +
            "   <SPAN>The Refactoring Challenge</SPAN>" +
            "   <SPAN>&#013;id: 6</SPAN>" +
            "</DIV>"
        );
        parser.setNodeFactory (
            new PrototypicalNodeFactory (
                new Tag[]
                {
                    new Div (),
                    new Span (),
                }));
        parseAndAssertNodeCount(1);
        Div div = (Div)node[0];
        Node[] spans = ParserUtils.findTypeInNode (div, Span.class);
        assertSpanContent(spans);
    }

    public void testTwoLevelNesting() throws ParserException {
        createParser(
            "<table>" +
            "   <DIV>" +
            "       <SPAN>The Refactoring Challenge</SPAN>" +
            "       <SPAN>&#013;id: 6</SPAN>" +
            "   </DIV>" +
            "</table>"
        );
        parser.setNodeFactory (
            new PrototypicalNodeFactory (
                new Tag[]
                {
                    new Div (),
                    new Span (),
                    new TableTag (),
                }));
        parseAndAssertNodeCount(1);
        TableTag tableTag = (TableTag)node[0];
        Node[] spans = ParserUtils.findTypeInNode (tableTag, Span.class);
        assertSpanContent(spans);
    }
}