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Java Source Code / Java Documentation » Library » Apache commons configuration 1.4 src » org.apache.commons.configuration.tree   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.commons.configuration.tree.DefaultConfigurationNode All known Subclasses:   org.apache.commons.configuration.tree.ViewNode, DefaultConfigurationNode public class DefaultConfigurationNode implements ConfigurationNode,Cloneable(Code) A default implementation of the ConfigurationNode interface. since:    1.3 author:    Oliver Heger Inner Class :protected static class SubNodes Constructor Summary public   DefaultConfigurationNode()      Creates a new uninitialized instance of DefaultConfigurationNode. public   DefaultConfigurationNode(String name)      Creates a new instance of DefaultConfigurationNode and initializes it with the node name. public   DefaultConfigurationNode(String name, Object value)      Creates a new instance of DefaultConfigurationNode and initializes it with the name and a value. Method Summary public  void addAttribute(ConfigurationNode attr)      Adds the specified attribute to this node. public  void addChild(ConfigurationNode child)      Adds a new child to this node. protected  void checkState()      Checks if a modification of this node is allowed. public  Object clone()      Creates a copy of this object. protected  SubNodes createSubNodes(boolean attributes)      Creates a SubNodes instance that is used for storing either this node's children or attributes. public  ConfigurationNode getAttribute(int index)      Returns the attribute with the given index. public  int getAttributeCount()      Returns the number of attributes contained in this node. public  int getAttributeCount(String name)      Returns the number of attributes of this node with the given name. public  List getAttributes()      Returns a list with the attributes of this node. public  List getAttributes(String name)      Returns a list with all attributes of this node with the given name. public  ConfigurationNode getChild(int index)      Returns the child node with the given index. public  List getChildren()      Returns a list with all children of this node. public  List getChildren(String name)      Returns a list of all children with the given name. public  int getChildrenCount()      Returns the number of all children of this node. public  int getChildrenCount(String name)      Returns the number of children with the given name. public  String getName()      Returns the name of this node. public  ConfigurationNode getParentNode()      Returns a reference to this node's parent. public  Object getReference()      Returns the reference. public  Object getValue()      Returns the value of this node. public  boolean isAttribute()      Checks if this node is an attribute node. public  boolean isDefined()      Returns a flag if this node is defined. public  boolean removeAttribute(ConfigurationNode node)      Removes the specified attribute. public  boolean removeAttribute(String name)      Removes all attributes with the specified name. public  void removeAttributes()      Removes all attributes of this node. public  boolean removeChild(ConfigurationNode child)      Removes the specified child node from this node. public  boolean removeChild(String childName)      Removes all children with the given name. public  void removeChildren()      Removes all child nodes of this node. protected  void removeReference()      Deals with the reference when a node is removed. public  void setAttribute(boolean f)      Sets the attribute flag. public  void setName(String name)      Sets the name of this node. public  void setParentNode(ConfigurationNode parent)      Sets the parent of this node. public  void setReference(Object reference)      Sets the reference. public  void setValue(Object val)      Sets the value of this node. public  void visit(ConfigurationNodeVisitor visitor)      Visits this node and all its sub nodes. Constructor Detail DefaultConfigurationNode public DefaultConfigurationNode()(Code) Creates a new uninitialized instance of DefaultConfigurationNode. DefaultConfigurationNode public DefaultConfigurationNode(String name)(Code) Creates a new instance of DefaultConfigurationNode and initializes it with the node name. Parameters:   name - the name of this node DefaultConfigurationNode public DefaultConfigurationNode(String name, Object value)(Code) Creates a new instance of DefaultConfigurationNode and initializes it with the name and a value. Parameters:   name - the node's name Parameters:   value - the node's value Method Detail addAttribute public void addAttribute(ConfigurationNode attr)(Code) Adds the specified attribute to this node. Parameters:   attr - the attribute to be added addChild public void addChild(ConfigurationNode child)(Code) Adds a new child to this node. Parameters:   child - the new child checkState protected void checkState()(Code) Checks if a modification of this node is allowed. Some properties of a node must not be changed when the node has a parent. This method checks this and throws a runtime exception if necessary. clone public Object clone()(Code) Creates a copy of this object. This is not a deep copy, the children are not cloned. a copy of this object createSubNodes protected SubNodes createSubNodes(boolean attributes)(Code) Creates a SubNodes instance that is used for storing either this node's children or attributes. Parameters:   attributes - true if the returned instance is used forstoring attributes, false for storing child nodes the SubNodes object to use getAttribute public ConfigurationNode getAttribute(int index)(Code) Returns the attribute with the given index. Parameters:   index - the index (0-based) the attribute with this index getAttributeCount public int getAttributeCount()(Code) Returns the number of attributes contained in this node. the number of attributes getAttributeCount public int getAttributeCount(String name)(Code) Returns the number of attributes of this node with the given name. Parameters:   name - the name the number of attributes with this name getAttributes public List getAttributes()(Code) Returns a list with the attributes of this node. This list contains ConfigurationNode objects, too. the attribute list, never null getAttributes public List getAttributes(String name)(Code) Returns a list with all attributes of this node with the given name. Parameters:   name - the attribute's name all attributes with this name getChild public ConfigurationNode getChild(int index)(Code) Returns the child node with the given index. Parameters:   index - the index (0-based) the child with this index getChildren public List getChildren()(Code) Returns a list with all children of this node. a list with all child nodes getChildren public List getChildren(String name)(Code) Returns a list of all children with the given name. Parameters:   name - the name; can be null , then all children are returned a list of all children with the given name getChildrenCount public int getChildrenCount()(Code) Returns the number of all children of this node. the number of all children getChildrenCount public int getChildrenCount(String name)(Code) Returns the number of children with the given name. Parameters:   name - the name; can be null , then the number of allchildren is returned the number of child nodes with this name getName public String getName()(Code) Returns the name of this node. the name of this node getParentNode public ConfigurationNode getParentNode()(Code) Returns a reference to this node's parent. the parent node or null if this is the root getReference public Object getReference()(Code) Returns the reference. the reference getValue public Object getValue()(Code) Returns the value of this node. the value of this node isAttribute public boolean isAttribute()(Code) Checks if this node is an attribute node. a flag if this is an attribute node isDefined public boolean isDefined()(Code) Returns a flag if this node is defined. This means that the node contains some data. a flag whether this node is defined removeAttribute public boolean removeAttribute(ConfigurationNode node)(Code) Removes the specified attribute. Parameters:   node - the attribute node to be removed a flag if the attribute could be removed removeAttribute public boolean removeAttribute(String name)(Code) Removes all attributes with the specified name. Parameters:   name - the name a flag if at least one attribute was removed removeAttributes public void removeAttributes()(Code) Removes all attributes of this node. removeChild public boolean removeChild(ConfigurationNode child)(Code) Removes the specified child node from this node. Parameters:   child - the node to be removed a flag if a node was removed removeChild public boolean removeChild(String childName)(Code) Removes all children with the given name. Parameters:   childName - the name of the children to be removed a flag if at least one child node was removed removeChildren public void removeChildren()(Code) Removes all child nodes of this node. removeReference protected void removeReference()(Code) Deals with the reference when a node is removed. This method is called for each removed child node or attribute. It can be overloaded in sub classes, for which the reference has a concrete meaning and remove operations need some update actions. This default implementation is empty. setAttribute public void setAttribute(boolean f)(Code) Sets the attribute flag. Note: this method can only be called if the node is not already part of a node hierarchy. Parameters:   f - the attribute flag setName public void setName(String name)(Code) Sets the name of this node. Parameters:   name - the new name setParentNode public void setParentNode(ConfigurationNode parent)(Code) Sets the parent of this node. Parameters:   parent - the parent of this node setReference public void setReference(Object reference)(Code) Sets the reference. Parameters:   reference - the reference object setValue public void setValue(Object val)(Code) Sets the value of this node. Parameters:   val - the value of this node visit public void visit(ConfigurationNodeVisitor visitor)(Code) Visits this node and all its sub nodes. Parameters:   visitor - the visitor 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)