?? nodefilters.java
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package cn.ac.cintcm.spider.cnki;
import org.htmlparser.NodeFilter;
import org.htmlparser.Parser;
import org.htmlparser.beans.FilterBean;
import org.htmlparser.filters.AndFilter;
import org.htmlparser.filters.HasAttributeFilter;
import org.htmlparser.filters.TagNameFilter;
import org.htmlparser.util.NodeList;
import org.htmlparser.util.ParserException;
public class NodeFilters {
public static NodeFilter[] getFilter(String tagName) {
TagNameFilter filter0 = new TagNameFilter();
filter0.setName(tagName);
NodeFilter[] array0 = new NodeFilter[1];
array0[0] = filter0;
return array0;
}
public static NodeFilter[] getFilter(String tagName,String attriName, String attriValue) {
TagNameFilter filter0 = new TagNameFilter ();
filter0.setName (tagName);
HasAttributeFilter filter1 = new HasAttributeFilter ();
filter1.setAttributeName (attriName);
filter1.setAttributeValue (attriValue);
NodeFilter[] array0 = new NodeFilter[2];
array0[0] = filter0;
array0[1] = filter1;
AndFilter filter2 = new AndFilter ();
filter2.setPredicates (array0);
NodeFilter[] array1 = new NodeFilter[1];
array1[0] = filter2;
return array1;
}
public static NodeList getNodeList(String resource,String filterName){
Parser parser=null;
try {
parser = new Parser(resource);
} catch (ParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
FilterBean bean = new FilterBean();
bean.setFilters(getFilter(filterName));
bean.setParser(parser);
return bean.getNodes();
}
public static NodeList getNodeList(String resource,String filterName,String attriName,String attriValue){
Parser parser=null;
try {
parser = new Parser(resource);
} catch (ParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
FilterBean bean = new FilterBean();
bean.setFilters(getFilter(filterName,attriName,attriValue));
bean.setParser(parser);
return bean.getNodes();
}
public static FilterBean getFilterBeans(String resource,String filterName,String attriName,String attriValue){
Parser parser=null;
try {
parser = new Parser(resource);
} catch (ParserException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
FilterBean bean = new FilterBean();
bean.setFilters(getFilter(filterName,attriName,attriValue));
bean.setParser(parser);
return bean;
}
public static NodeFilter getSingleFilter(String tagName) {
TagNameFilter filter0 = new TagNameFilter();
filter0.setName(tagName);
return filter0;
}
}
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