Java源码示例：org.apache.xpath.objects.XBoolean
示例1
/**
* Evaluates an XPath expression from the specified node, returning the resultant nodes.
*
* @param <T> the type class
* @param node the node to start searching from
* @param xpathExpr the XPath expression
* @param resolver the prefix resolver to use for resolving namespace prefixes, or null
* @return the list of objects found
*/
@SuppressWarnings("unchecked")
public static <T> List<T> getByXPath(final DomNode node, final String xpathExpr,
final PrefixResolver resolver) {
if (xpathExpr == null) {
throw new IllegalArgumentException("Null is not a valid XPath expression");
}
PROCESS_XPATH_.set(Boolean.TRUE);
final List<T> list = new ArrayList<>();
try {
final XObject result = evaluateXPath(node, xpathExpr, resolver);
if (result instanceof XNodeSet) {
final NodeList nodelist = ((XNodeSet) result).nodelist();
for (int i = 0; i < nodelist.getLength(); i++) {
list.add((T) nodelist.item(i));
}
}
else if (result instanceof XNumber) {
list.add((T) Double.valueOf(result.num()));
}
else if (result instanceof XBoolean) {
list.add((T) Boolean.valueOf(result.bool()));
}
else if (result instanceof XString) {
list.add((T) result.str());
}
else {
throw new RuntimeException("Unproccessed " + result.getClass().getName());
}
}
catch (final Exception e) {
throw new RuntimeException("Could not retrieve XPath >" + xpathExpr + "< on " + node, e);
}
finally {
PROCESS_XPATH_.set(Boolean.FALSE);
}
return list;
}
示例2
/**
* Evaluates an XPath expression from the specified node, returning the resultant nodes.
*
* @param <T> the type class
* @param node the node to start searching from
* @param xpathExpr the XPath expression
* @param resolver the prefix resolver to use for resolving namespace prefixes, or null
* @return the list of objects found
*/
@SuppressWarnings("unchecked")
public static <T> List<T> getByXPath(final DomNode node, final String xpathExpr, final PrefixResolver resolver) {
if (xpathExpr == null) {
throw new NullPointerException("Null is not a valid XPath expression");
}
PROCESS_XPATH_.set(Boolean.TRUE);
final List<T> list = new ArrayList<>();
try {
final XObject result = evaluateXPath(node, xpathExpr, resolver);
if (result instanceof XNodeSet) {
final NodeList nodelist = ((XNodeSet) result).nodelist();
for (int i = 0; i < nodelist.getLength(); i++) {
list.add((T) nodelist.item(i));
}
}
else if (result instanceof XNumber) {
list.add((T) Double.valueOf(result.num()));
}
else if (result instanceof XBoolean) {
list.add((T) Boolean.valueOf(result.bool()));
}
else if (result instanceof XString) {
list.add((T) result.str());
}
else {
throw new RuntimeException("Unproccessed " + result.getClass().getName());
}
}
catch (final Exception e) {
throw new RuntimeException("Could not retrieve XPath >" + xpathExpr + "< on " + node, e);
}
finally {
PROCESS_XPATH_.set(Boolean.FALSE);
}
return list;
}
示例3
/**
* OR two expressions and return the boolean result. Override
* superclass method for optimization purposes.
*
* @param xctxt The runtime execution context.
*
* @return {@link org.apache.xpath.objects.XBoolean#S_TRUE} or
* {@link org.apache.xpath.objects.XBoolean#S_FALSE}.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
XObject expr1 = m_left.execute(xctxt);
if (!expr1.bool())
{
XObject expr2 = m_right.execute(xctxt);
return expr2.bool() ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
else
return XBoolean.S_TRUE;
}
示例4
/**
* AND two expressions and return the boolean result. Override
* superclass method for optimization purposes.
*
* @param xctxt The runtime execution context.
*
* @return {@link org.apache.xpath.objects.XBoolean#S_TRUE} or
* {@link org.apache.xpath.objects.XBoolean#S_FALSE}.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
XObject expr1 = m_left.execute(xctxt);
if (expr1.bool())
{
XObject expr2 = m_right.execute(xctxt);
return expr2.bool() ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
else
return XBoolean.S_FALSE;
}
示例5
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
String lang = m_arg0.execute(xctxt).str();
int parent = xctxt.getCurrentNode();
boolean isLang = false;
DTM dtm = xctxt.getDTM(parent);
while (DTM.NULL != parent)
{
if (DTM.ELEMENT_NODE == dtm.getNodeType(parent))
{
int langAttr = dtm.getAttributeNode(parent, "http://www.w3.org/XML/1998/namespace", "lang");
if (DTM.NULL != langAttr)
{
String langVal = dtm.getNodeValue(langAttr);
// %OPT%
if (langVal.toLowerCase().startsWith(lang.toLowerCase()))
{
int valLen = lang.length();
if ((langVal.length() == valLen)
|| (langVal.charAt(valLen) == '-'))
{
isLang = true;
}
}
break;
}
}
parent = dtm.getParent(parent);
}
return isLang ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例6
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
String s1 = m_arg0.execute(xctxt).str();
String s2 = m_arg1.execute(xctxt).str();
// Add this check for JDK consistency for empty strings.
if (s1.length() == 0 && s2.length() == 0)
return XBoolean.S_TRUE;
int index = s1.indexOf(s2);
return (index > -1) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例7
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
String prefix;
String namespace;
String methName;
String fullName = m_arg0.execute(xctxt).str();
int indexOfNSSep = fullName.indexOf(':');
if (indexOfNSSep < 0)
{
prefix = "";
namespace = Constants.S_XSLNAMESPACEURL;
methName = fullName;
}
else
{
prefix = fullName.substring(0, indexOfNSSep);
namespace = xctxt.getNamespaceContext().getNamespaceForPrefix(prefix);
if (null == namespace)
return XBoolean.S_FALSE;
methName= fullName.substring(indexOfNSSep + 1);
}
if (namespace.equals(Constants.S_XSLNAMESPACEURL)
|| namespace.equals(Constants.S_BUILTIN_EXTENSIONS_URL))
{
try
{
TransformerImpl transformer = (TransformerImpl) xctxt.getOwnerObject();
return transformer.getStylesheet().getAvailableElements().containsKey(
new QName(namespace, methName))
? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
catch (Exception e)
{
return XBoolean.S_FALSE;
}
}
else
{
//dml
ExtensionsProvider extProvider = (ExtensionsProvider)xctxt.getOwnerObject();
return extProvider.elementAvailable(namespace, methName)
? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
}
示例8
/**
* Apply the operation to two operands, and return the result.
*
*
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject right) throws javax.xml.transform.TransformerException
{
if (XObject.CLASS_BOOLEAN == right.getType())
return right;
else
return right.bool() ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例9
/**
* Apply the operation to two operands, and return the result.
*
*
* @param left non-null reference to the evaluated left operand.
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject left, XObject right)
throws javax.xml.transform.TransformerException
{
return left.greaterThanOrEqual(right)
? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例10
/**
* Apply the operation to two operands, and return the result.
*
*
* @param left non-null reference to the evaluated left operand.
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject left, XObject right)
throws javax.xml.transform.TransformerException
{
return left.lessThan(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例11
/**
* Apply the operation to two operands, and return the result.
*
*
* @param left non-null reference to the evaluated left operand.
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject left, XObject right)
throws javax.xml.transform.TransformerException
{
return left.greaterThan(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例12
/**
* Apply the operation to two operands, and return the result.
*
*
* @param left non-null reference to the evaluated left operand.
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject left, XObject right)
throws javax.xml.transform.TransformerException
{
return left.lessThanOrEqual(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例13
/**
* Apply the operation to two operands, and return the result.
*
*
* @param left non-null reference to the evaluated left operand.
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject left, XObject right)
throws javax.xml.transform.TransformerException
{
return left.equals(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例14
/**
* Apply the operation to two operands, and return the result.
*
*
* @param left non-null reference to the evaluated left operand.
* @param right non-null reference to the evaluated right operand.
*
* @return non-null reference to the XObject that represents the result of the operation.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject operate(XObject left, XObject right)
throws javax.xml.transform.TransformerException
{
return (left.notEquals(right)) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例15
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
return XBoolean.S_TRUE;
}
示例16
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
return m_arg0.execute(xctxt).xstr().startsWith(m_arg1.execute(xctxt).xstr())
? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例17
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
return XBoolean.S_FALSE;
}
示例18
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
return m_arg0.execute(xctxt).bool() ? XBoolean.S_TRUE : XBoolean.S_FALSE;
}
示例19
/**
* Execute the function. The function must return
* a valid object.
* @param xctxt The current execution context.
* @return A valid XObject.
*
* @throws javax.xml.transform.TransformerException
*/
public XObject execute(XPathContext xctxt) throws javax.xml.transform.TransformerException
{
return m_arg0.execute(xctxt).bool() ? XBoolean.S_FALSE : XBoolean.S_TRUE;
}
