⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 urlmodifyingvisitortest.java

📁 本程序用于对页面信息进行提取并分析
💻 JAVA
字号:
// HTMLParser Library $Name: v1_6_20060319 $ - 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/visitorsTests/UrlModifyingVisitorTest.java,v $// $Author: derrickoswald $// $Date: 2005/03/12 13:39:46 $// $Revision: 1.19 $//// 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.visitorsTests;import org.htmlparser.Parser;import org.htmlparser.Tag;import org.htmlparser.tags.ImageTag;import org.htmlparser.tags.LinkTag;import org.htmlparser.tests.ParserTestCase;import org.htmlparser.util.NodeList;import org.htmlparser.visitors.NodeVisitor;import org.htmlparser.visitors.UrlModifyingVisitor;public class UrlModifyingVisitorTest extends ParserTestCase {    static    {        System.setProperty ("org.htmlparser.tests.visitorsTests.UrlModifyingVisitorTest", "UrlModifyingVisitorTest");    }    private static final String HTML_WITH_LINK =    "<HTML><BODY>" +        "<A HREF=\"mylink.html\"><IMG SRC=\"mypic.jpg\">" +        "</A><IMG SRC=\"my second image.gif\">" +    "</BODY></HTML>";    // Note: links are only quoted if needed    private static final String MODIFIED_HTML =    "<HTML><BODY>" +        "<A HREF=\"localhost://mylink.html\">" +        "<IMG SRC=\"localhost://mypic.jpg\"></A>" +        "<IMG SRC=\"localhost://my second image.gif\">" +    "</BODY></HTML>";    public UrlModifyingVisitorTest(String name) {        super(name);    }    public void testUrlModificationWithVisitor() throws Exception {        Parser parser = Parser.createParser(HTML_WITH_LINK, null);        UrlModifyingVisitor visitor =            new UrlModifyingVisitor("localhost://");        parser.visitAllNodesWith(visitor);        String result = visitor.getModifiedResult();        assertStringEquals("Expected HTML",            MODIFIED_HTML,            result);    }    /**     * Test a better method of modifying an HTML page.     */    public void testPageModification ()        throws            Exception    {        Parser parser = Parser.createParser (HTML_WITH_LINK, null);        NodeList list = parser.parse (null); // no filter        // make an inner class that does the same thing as the UrlModifyingVisitor        NodeVisitor visitor = new NodeVisitor ()        {            String linkPrefix = "localhost://";            public void visitTag (Tag tag)            {                if (tag instanceof LinkTag)                    ((LinkTag)tag).setLink(linkPrefix + ((LinkTag)tag).getLink());                else if (tag instanceof ImageTag)                    ((ImageTag)tag).setImageURL(linkPrefix + ((ImageTag)tag).getImageURL());            }        };        list.visitAllNodesWith (visitor);        String result = list.toHtml ();        assertStringEquals("Expected HTML",            MODIFIED_HTML,            result);    }}

⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -