本文整理汇总了Java中org.dom4j.XPath.evaluate方法的典型用法代码示例。如果您正苦于以下问题：Java XPath.evaluate方法的具体用法？Java XPath.evaluate怎么用？Java XPath.evaluate使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.dom4j.XPath的用法示例。
在下文中一共展示了XPath.evaluate方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getElementList
import org.dom4j.XPath; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public List<Element> getElementList( String xpathExpr )
throws XMLException
{
XPath xpath = createXPath( xpathExpr );
Object evaluated = xpath.evaluate( document );
if ( evaluated == null )
{
return null;
}
/* The xpath.evaluate(Context) method can return:
* 1) A Collection or List of dom4j Nodes.
* 2) A single dom4j Node.
*/
if ( evaluated instanceof List )
{
return (List<Element>) evaluated;
}
else if ( evaluated instanceof Node )
{
List<Element> ret = new ArrayList<>();
ret.add( (Element) evaluated );
return ret;
}
else
{
// Unknown evaluated type.
throw new XMLException( ".getElementList( Expr: " + xpathExpr + " ) resulted in non-List type -> ("
+ evaluated.getClass().getName() + ") " + evaluated );
}
}
示例2: flat
import org.dom4j.XPath; //导入方法依赖的package包/类
/**
* Document to Flat
*/
public void flat() {
XPath loopXpath = null;
if(!defineNS) {
loopXpath = doc.createXPath(namespaceTool.addDefaultNSPrefix(currentLoop, currentLoop));
} else {
loopXpath = doc.createXPath(currentLoop);
}
loopXpath.setNamespaceURIs(xmlNameSpaceMap);
nodes = loopXpath.selectNodes(doc);
if(this.isOptional && nodes.size() == 0 && !top) {
setParentAsLoop();
flat();
} else if (nodes !=null ) {
//reset relative paths
if(currentLoop != originalLoop) {//not point to the same string
for(int i=0;i<currentRelativePathMappings.length;i++) {
currentRelativePathMappings[i] = resetRelativeXPath(currentRelativePathMappings[i]);
}
}
for(AbstractNode node : nodes) {
//init row
Map<String,String> row = new HashMap<String,String>();
resultSet.add(row);
//init columns for one row
for(int i=0;i<currentRelativePathMappings.length;i++) {
String relativePath = currentRelativePathMappings[i];
XPath xpath = null;
if(!defineNS) {
xpath = node.createXPath(namespaceTool.addDefaultNSPrefix(relativePath, currentLoop));
} else {
xpath = node.createXPath(relativePath);
}
xpath.setNamespaceURIs(xmlNameSpaceMap);
Object obj = xpath.evaluate(node);
if(obj instanceof String || obj instanceof Number){
row.put(absolutePathMappings[i], String.valueOf(obj));
}else{
row.put(absolutePathMappings[i], xpath.selectSingleNode(node)!=null ? xpath.valueOf(node) : null);
}
}
}
doc = null;
nodes = null;
}
}