import java.net.URL;
import junit.framework.TestCase;
import org.apache.log4j.Logger;
import org.htmlparser.Node;
import org.htmlparser.NodeFilter;
import org.htmlparser.Parser;
import org.htmlparser.Tag;
import org.htmlparser.beans.LinkBean;
import org.htmlparser.filters.NodeClassFilter;
import org.htmlparser.filters.OrFilter;
import org.htmlparser.filters.TagNameFilter;
import org.htmlparser.tags.HeadTag;
import org.htmlparser.tags.ImageTag;
import org.htmlparser.tags.InputTag;
import org.htmlparser.tags.LinkTag;
import org.htmlparser.tags.OptionTag;
import org.htmlparser.tags.SelectTag;
import org.htmlparser.tags.TableColumn;
import org.htmlparser.tags.TableRow;
import org.htmlparser.tags.TableTag;
import org.htmlparser.tags.TitleTag;
import org.htmlparser.util.NodeIterator;
import org.htmlparser.util.NodeList;
import org.htmlparser.util.ParserException;
import org.htmlparser.visitors.HtmlPage;
import org.htmlparser.visitors.NodeVisitor;
import org.htmlparser.visitors.ObjectFindingVisitor;
public class T extends TestCase {
private static final Logger logger = Logger.getLogger(T.class);
public T(String name) {
super(name);
}
/*
* 测试ObjectFindVisitor的用法
*/
public void testImageVisitor() {
try {
ImageTag imgLink;
ObjectFindingVisitor visitor = new ObjectFindingVisitor(ImageTag.class);
Parser parser = new Parser();
parser.setURL("http://www.google.com");
parser.setEncoding(parser.getEncoding());
parser.visitAllNodesWith(visitor);
Node[] nodes = visitor.getTags();
for (int i = 0; i < nodes.length; i++) {
imgLink = (ImageTag) nodes[i];
logger.fatal("testImageVisitor() ImageURL = " + imgLink.getImageURL());
logger.fatal("testImageVisitor() ImageLocation = " + imgLink.extractImageLocn());
logger.fatal("testImageVisitor() SRC = " + imgLink.getAttribute("SRC"));
}
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 测试TagNameFilter用法
*/
public void testNodeFilter() {
try {
NodeFilter filter = new TagNameFilter("IMG");
Parser parser = new Parser();
parser.setURL("http://www.google.com");
parser.setEncoding(parser.getEncoding());
NodeList list = parser.extractAllNodesThatMatch(filter);
for (int i = 0; i < list.size(); i++) {
logger.fatal("testNodeFilter() " + list.elementAt(i).toHtml());
}
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 测试NodeClassFilter用法
*/
public void testLinkTag() {
try {
NodeFilter filter = new NodeClassFilter(LinkTag.class);
Parser parser = new Parser();
parser.setURL("http://www.google.com");
parser.setEncoding(parser.getEncoding());
NodeList list = parser.extractAllNodesThatMatch(filter);
for (int i = 0; i < list.size(); i++) {
LinkTag node = (LinkTag) list.elementAt(i);
logger.fatal("testLinkTag() Link is :" + node.extractLink());
}
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 测试<link href=" text=’text/css’ rel=’stylesheet’ />用法
*/
public void testLinkCSS() {
try {
Parser parser = new Parser();
parser.setInputHTML("<head><title>Link Test</title>"
+ "<link href="’/test01/css.css" mce_href="’/test01/css.css"' text='text/css' rel='stylesheet' />"
+ "<link href="/test02/css.css" mce_href="test02/css.css" text='text/css' rel='stylesheet' />" + "</head>"
+ "<body>");
parser.setEncoding(parser.getEncoding());
for (NodeIterator e = parser.elements(); e.hasMoreNodes();) {
Node node = e.nextNode();
logger.fatal("testLinkCSS()" + node.getText() + node.getClass());
}
} catch (Exception e) {
e.printStackTrace();
}
}
/*
* 测试OrFilter的用法
*/
public void testOrFilter() {
NodeFilter inputFilter = new NodeClassFilter(InputTag.class);
NodeFilter selectFilter = new NodeClassFilter(SelectTag.class);
NodeList nodeList = null;
try {
Parser parser = new Parser();
parser
.setInputHTML("<head><title>OrFilter Test</title>"
+ "<link href="/test01/css.css" mce_href="test01/css.css" text='text/css' rel='stylesheet' />"
+ "<link href="/test02/css.css" mce_href="test02/css.css" text='text/css' rel='stylesheet' />"
+ "</head>"
+ "<body>"
+ "<input type='text' value='text1′ name='text1′/>"
+ "<input type='text' value='text2′ name='text2′/>"
+ "<select><option id='1′>1</option><option id='2′>2</option><option id='3′></option></select>"
+ "<a href="http://www.yeeach.com" mce_href="http://www.yeeach.com">yeeach.com</a>" + "</body>");
parser.setEncoding(parser.getEncoding());
OrFilter lastFilter = new OrFilter();
lastFilter.setPredicates(new NodeFilter[] { selectFilter, inputFilter });
nodeList = parser.parse(lastFilter);
for (int i = 0; i <= nodeList.size(); i++) {
if (nodeList.elementAt(i) instanceof InputTag) {
InputTag tag = (InputTag) nodeList.elementAt(i);
logger.fatal("OrFilter tag name is :" + tag.getTagName() + " ,tag value is:"
+ tag.getAttribute("value"));
}
if (nodeList.elementAt(i) instanceof SelectTag) {
SelectTag tag = (SelectTag) nodeList.elementAt(i);
NodeList list = tag.getChildren();
for (int j = 0; j < list.size(); j++) {
OptionTag option = (OptionTag) list.elementAt(j);
logger.fatal("OrFilter Option" + option.getOptionText());
}
}
}
} catch (ParserException e) {
e.printStackTrace();
}
}
/*
* 测试对<table><tr><td></td></tr></table>的解析
*/
public void testTable() {
Parser myParser;
NodeList nodeList = null;
myParser = Parser.createParser("<body> " + "<table id='table1′ >"
+ "<tr><td>1-11</td><td>1-12</td><td>1-13</td>"
+ "<tr><td>1-21</td><td>1-22</td><td>1-23</td>"
+ "<tr><td>1-31</td><td>1-32</td><td>1-33</td></table>" + "<table id='table2′ >"
+ "<tr><td>2-11</td><td>2-12</td><td>2-13</td>"
+ "<tr><td>2-21</td><td>2-22</td><td>2-23</td>"
+ "<tr><td>2-31</td><td>2-32</td><td>2-33</td></table>" + "</body>", "GBK");
NodeFilter tableFilter = new NodeClassFilter(TableTag.class);
OrFilter lastFilter = new OrFilter();
lastFilter.setPredicates(new NodeFilter[] { tableFilter });
try {
nodeList = myParser.parse(lastFilter);
for (int i = 0; i <= nodeList.size(); i++) {
if (nodeList.elementAt(i) instanceof TableTag) {
TableTag tag = (TableTag) nodeList.elementAt(i);
TableRow[] rows = tag.getRows();
for (int j = 0; j < rows.length; j++) {
TableRow tr = (TableRow) rows[j];
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