Java Doc for NullElementPointer.java in  » Library » Apache-commons-jxpath-1.2-src » org » apache » commons » jxpath » ri » model » beans » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache commons jxpath 1.2 src » org.apache.commons.jxpath.ri.model.beans   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.jxpath.ri.model.NodePointer       org.apache.commons.jxpath.ri.model.beans.CollectionPointer          org.apache.commons.jxpath.ri.model.beans.NullElementPointer NullElementPointer public class NullElementPointer extends CollectionPointer (Code) Used when there is a need to construct a Pointer for a collection element that does not exist. For example, if the path is "foo[3]", but the collection "foo" only has one element or is empty or is null, the NullElementPointer can be used to capture this situation without putting a regular NodePointer into an invalid state. Just create a NullElementPointer with index 2 (= 3 - 1) and a "foo" pointer as the parent. author:    Dmitri Plotnikov version:    $Revision: 1.17 $ $Date: 2004/03/25 03:49:50 $ Constructor Summary public   NullElementPointer(NodePointer parent, int index)      Method Summary public  String asPath()      public  NodePointer createPath(JXPathContext context)      public  NodePointer createPath(JXPathContext context, Object value)      public  boolean equals(Object object)      public  Object getBaseValue()      public  Object getImmediateNode()      public  int getLength()      public  QName getName()      public  PropertyPointer getPropertyPointer()      public  NodePointer getValuePointer()      public  int hashCode()      public  boolean isActual()      public  boolean isCollection()      public  boolean isContainer()      public  boolean isLeaf()      public  void setValue(Object value)      Constructor Detail NullElementPointer public NullElementPointer(NodePointer parent, int index)(Code) Method Detail asPath public String asPath()(Code) createPath public NodePointer createPath(JXPathContext context)(Code) createPath public NodePointer createPath(JXPathContext context, Object value)(Code) equals public boolean equals(Object object)(Code) getBaseValue public Object getBaseValue()(Code) getImmediateNode public Object getImmediateNode()(Code) getLength public int getLength()(Code) getName public QName getName()(Code) getPropertyPointer public PropertyPointer getPropertyPointer()(Code) getValuePointer public NodePointer getValuePointer()(Code) hashCode public int hashCode()(Code) isActual public boolean isActual()(Code) isCollection public boolean isCollection()(Code) isContainer public boolean isContainer()(Code) isLeaf public boolean isLeaf()(Code) setValue public void setValue(Object value)(Code) Methods inherited from org.apache.commons.jxpath.ri.model.beans.CollectionPointer public String asPath()(Code)(Java Doc) public NodeIterator attributeIterator(QName name)(Code)(Java Doc) public NodeIterator childIterator(NodeTest test, boolean reverse, NodePointer startWith)(Code)(Java Doc) public int compareChildNodePointers(NodePointer pointer1, NodePointer pointer2)(Code)(Java Doc) public NodePointer createChild(JXPathContext context, QName name, int index, Object value)(Code)(Java Doc) public NodePointer createChild(JXPathContext context, QName name, int index)(Code)(Java Doc) public NodePointer createPath(JXPathContext context)(Code)(Java Doc) public NodePointer createPath(JXPathContext context, Object value)(Code)(Java Doc) public boolean equals(Object object)(Code)(Java Doc) public Object getBaseValue()(Code)(Java Doc) public Object getImmediateNode()(Code)(Java Doc) public int getLength()(Code)(Java Doc) public QName getName()(Code)(Java Doc) public NodePointer getValuePointer()(Code)(Java Doc) public int hashCode()(Code)(Java Doc) public boolean isCollection()(Code)(Java Doc) public boolean isContainer()(Code)(Java Doc) public boolean isLeaf()(Code)(Java Doc) public NodeIterator namespaceIterator()(Code)(Java Doc) public NodePointer namespacePointer(String namespace)(Code)(Java Doc) public void setIndex(int index)(Code)(Java Doc) public void setValue(Object value)(Code)(Java Doc) public boolean testNode(NodeTest nodeTest)(Code)(Java Doc) Fields inherited from org.apache.commons.jxpath.ri.model.NodePointer final public static String UNKNOWN_NAMESPACE(Code)(Java Doc) final public static int WHOLE_COLLECTION(Code)(Java Doc) protected int index(Code)(Java Doc) protected Locale locale(Code)(Java Doc) protected NodePointer parent(Code)(Java Doc) Methods inherited from org.apache.commons.jxpath.ri.model.NodePointer public String asPath()(Code)(Java Doc) public NodeIterator attributeIterator(QName qname)(Code)(Java Doc) public NodeIterator childIterator(NodeTest test, boolean reverse, NodePointer startWith)(Code)(Java Doc) public Object clone()(Code)(Java Doc) abstract public int compareChildNodePointers(NodePointer pointer1, NodePointer pointer2)(Code)(Java Doc) public int compareTo(Object object)(Code)(Java Doc) public NodePointer createAttribute(JXPathContext context, QName name)(Code)(Java Doc) public NodePointer createChild(JXPathContext context, QName name, int index, Object value)(Code)(Java Doc) public NodePointer createChild(JXPathContext context, QName name, int index)(Code)(Java Doc) public NodePointer createPath(JXPathContext context, Object value)(Code)(Java Doc) public NodePointer createPath(JXPathContext context)(Code)(Java Doc) abstract public Object getBaseValue()(Code)(Java Doc) protected String getDefaultNamespaceURI()(Code)(Java Doc) abstract public Object getImmediateNode()(Code)(Java Doc) public NodePointer getImmediateParentPointer()(Code)(Java Doc) public NodePointer getImmediateValuePointer()(Code)(Java Doc) public int getIndex()(Code)(Java Doc) abstract public int getLength()(Code)(Java Doc) public Locale getLocale()(Code)(Java Doc) abstract public QName getName()(Code)(Java Doc) public NamespaceResolver getNamespaceResolver()(Code)(Java Doc) public String getNamespaceURI(String prefix)(Code)(Java Doc) public String getNamespaceURI()(Code)(Java Doc) public Object getNode()(Code)(Java Doc) public Object getNodeValue()(Code)(Java Doc) public NodePointer getParent()(Code)(Java Doc) public Pointer getPointerByID(JXPathContext context, String id)(Code)(Java Doc) public Pointer getPointerByKey(JXPathContext context, String key, String value)(Code)(Java Doc) public Object getRootNode()(Code)(Java Doc) public Object getValue()(Code)(Java Doc) public NodePointer getValuePointer()(Code)(Java Doc) public boolean isActual()(Code)(Java Doc) public boolean isAttribute()(Code)(Java Doc) abstract public boolean isCollection()(Code)(Java Doc) public boolean isContainer()(Code)(Java Doc) protected boolean isDefaultNamespace(String prefix)(Code)(Java Doc) public boolean isLanguage(String lang)(Code)(Java Doc) abstract public boolean isLeaf()(Code)(Java Doc) public boolean isNode()(Code)(Java Doc) public boolean isRoot()(Code)(Java Doc) public NodeIterator namespaceIterator()(Code)(Java Doc) public NodePointer namespacePointer(String namespace)(Code)(Java Doc) public static NodePointer newChildNodePointer(NodePointer parent, QName name, Object bean)(Code)(Java Doc) public static NodePointer newNodePointer(QName name, Object bean, Locale locale)(Code)(Java Doc) public void printPointerChain()(Code)(Java Doc) public void remove()(Code)(Java Doc) public void setAttribute(boolean attribute)(Code)(Java Doc) public void setIndex(int index)(Code)(Java Doc) public void setNamespaceResolver(NamespaceResolver namespaceResolver)(Code)(Java Doc) abstract public void setValue(Object value)(Code)(Java Doc) public boolean testNode(NodeTest test)(Code)(Java Doc) public String toString()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)