Initial revision

From-SVN: r102074
2005-07-16 00:30:23 +00:00
parent 6f4434b39b
commit f911ba985a
4557 changed files with 1000262 additions and 0 deletions
@@ -0,0 +1,592 @@
+/* IIOMetadataNode.java --
+   Copyright (C) 2004  Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.imageio.metadata;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+
+import org.w3c.dom.Attr;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NamedNodeMap;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.TypeInfo;
+import org.w3c.dom.UserDataHandler;
+
+public class IIOMetadataNode
+  implements Element, NodeList
+{
+  private String name;
+  private HashMap attrs = new HashMap();
+  private List children = new ArrayList();
+  private IIOMetadataNode parent;
+  private Object obj;
+  
+  public IIOMetadataNode()
+  {
+    // Do nothing here.
+  }
+  
+  public IIOMetadataNode(String nodename)
+  {
+    name = nodename;
+  }
+  
+  public Object getUserObject()
+  {
+    return obj;
+  }
+  
+  public void setUserObject(Object o)
+  {
+    obj = o;
+  }
+  
+  public short compareDocumentPosition(Node other)
+    throws DOMException
+  {
+    throw new Error("not implemented");
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getAttribute(java.lang.String)
+   */
+  public String getAttribute(String name)
+  {
+    Attr anode = (Attr) attrs.get(name);
+    return anode != null ? anode.getValue() : null;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getAttributeNode(java.lang.String)
+   */
+  public Attr getAttributeNode(String name)
+  {
+    String val = getAttribute(name);
+    if (val != null)
+      return new IIOAttr(name, val, this);
+    return null;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getAttributeNodeNS(java.lang.String, java.lang.String)
+   */
+  public Attr getAttributeNodeNS(String namespaceURI, String localName)
+  {
+    return getAttributeNode(localName);
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getAttributeNS(java.lang.String, java.lang.String)
+   */
+  public String getAttributeNS(String namespaceURI, String localName)
+  {
+    return getAttribute(localName);
+  }
+
+  public String getBaseURI()
+  {
+    throw new Error("not implemented");
+  }
+
+  // Recursive function for assembling a node list.
+  private void getElementsRecurse(IIONodeList list, String name)
+  {
+    for (int i=0; i < children.size(); i++)
+    {
+      if (((Node)children.get(i)).getNodeName().equals(name))
+        list.children.add(children.get(i));
+      getElementsRecurse(list, name);
+    }
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getElementsByTagName(java.lang.String)
+   */
+  public NodeList getElementsByTagName(String name)
+  {
+    IIONodeList list = new IIONodeList();
+    getElementsRecurse(list, name);
+    return list;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getElementsByTagNameNS(java.lang.String, java.lang.String)
+   */
+  public NodeList getElementsByTagNameNS(String namespaceURI, String localName)
+  {
+    IIONodeList list = new IIONodeList();
+    getElementsRecurse(list, name);
+    return list;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#getTagName()
+   */
+  public String getTagName()
+  {
+    return name;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#hasAttribute(java.lang.String)
+   */
+  public boolean hasAttribute(String name)
+  {
+    return attrs.containsKey(name);
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#hasAttributeNS(java.lang.String, java.lang.String)
+   */
+  public boolean hasAttributeNS(String namespaceURI, String localName)
+  {
+    return attrs.containsKey(localName);
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#removeAttribute(java.lang.String)
+   */
+  public void removeAttribute(String name)
+  {
+    attrs.remove(name);
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#removeAttributeNode(org.w3c.dom.Attr)
+   */
+  public Attr removeAttributeNode(Attr oldAttr)
+  {
+    return (Attr)attrs.remove(oldAttr.getName());
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#removeAttributeNS(java.lang.String, java.lang.String)
+   */
+  public void removeAttributeNS(String namespaceURI, String localName)
+  {
+    removeAttribute(localName);
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#setAttribute(java.lang.String, java.lang.String)
+   */
+  public void setAttribute(String name, String value)
+  {
+    Attr attr = (Attr) getAttributeNode(name);
+    if (attr != null)
+      attr.setValue(value);
+    else
+      attrs.put(name, new IIOAttr(name, value, this));
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#setAttributeNode(org.w3c.dom.Attr)
+   */
+  public Attr setAttributeNode(Attr newAttr)
+  {
+    return (Attr)attrs.put(newAttr.getName(), newAttr);
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#setAttributeNodeNS(org.w3c.dom.Attr)
+   */
+  public Attr setAttributeNodeNS(Attr newAttr)
+  {
+    return (Attr)attrs.put(newAttr.getName(), newAttr);
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Element#setAttributeNS(java.lang.String, java.lang.String, java.lang.String)
+   */
+  public void setAttributeNS(String namespaceURI, String qualifiedName, String value)
+  {
+    setAttribute(qualifiedName, value);    
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.NodeList#getLength()
+   */
+  public int getLength()
+  {
+    return children.size();
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.NodeList#item(int)
+   */
+  public Node item(int index)
+  {
+    if (index < children.size())
+      return (Node)children.get(index);
+    else
+      return null;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#appendChild(org.w3c.dom.Node)
+   */
+  public Node appendChild(Node newChild)
+  {
+    if (newChild == null)
+      throw new IllegalArgumentException("Child node is null");
+    
+    IIOMetadataNode child = (IIOMetadataNode) newChild;
+    
+    children.add(child);
+    child.parent = this;
+    return this;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#cloneNode(boolean)
+   */
+  public Node cloneNode(boolean deep)
+  {
+    IIOMetadataNode newnode = new IIOMetadataNode(name);
+    newnode.parent = null;
+    newnode.obj = obj;
+    if (deep)
+    {
+      for (int i=0; i < children.size(); i++)
+        newnode.children.add(((Node)children.get(i)).cloneNode(deep));
+    }
+    
+    // clone attrs
+    for (Iterator it = attrs.values().iterator(); it.hasNext();)
+    {
+      IIOAttr attr = (IIOAttr)it.next();
+      newnode.attrs.put(attr.name, attr.cloneNode(deep));
+      attr.owner = newnode;
+    }
+
+    return newnode;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getAttributes()
+   */
+  public NamedNodeMap getAttributes()
+  {
+    return new IIONamedNodeMap(attrs);
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getChildNodes()
+   */
+  public NodeList getChildNodes()
+  {
+    return this;
+  }
+
+  public Object getFeature(String feature, String version)
+  {
+    throw new Error("not implemented");
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getFirstChild()
+   */
+  public Node getFirstChild()
+  {
+    return (children.size() > 0) ? (Node)children.get(0) : null;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getLastChild()
+   */
+  public Node getLastChild()
+  {
+    return (children.size() > 0) ? (Node)children.get(children.size() - 1)
+           : null;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getLocalName()
+   */
+  public String getLocalName()
+  {
+    return name;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getNamespaceURI()
+   */
+  public String getNamespaceURI()
+  {
+    return null;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getNextSibling()
+   */
+  public Node getNextSibling()
+  {
+    // If this op needs to be faster, add links to prev and next nodes.
+    if (parent == null) return null;
+    int idx = parent.children.indexOf(this);
+    return (idx == parent.children.size() - 1) ? null
+        : (Node)parent.children.get(idx + 1);
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getNodeName()
+   */
+  public String getNodeName()
+  {
+    return name;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getNodeType()
+   */
+  public short getNodeType()
+  {
+    return ELEMENT_NODE;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getNodeValue()
+   */
+  public String getNodeValue()
+  {
+    return null;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getOwnerDocument()
+   */
+  public Document getOwnerDocument()
+  {
+    // IOMetadataNodes have no owner
+    return null;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getParentNode()
+   */
+  public Node getParentNode()
+  {
+    return parent;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getPrefix()
+   */
+  public String getPrefix()
+  {
+    return null;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#getPreviousSibling()
+   */
+  public Node getPreviousSibling()
+  {
+    // If this op needs to be faster, add links to prev and next nodes.
+    if (parent == null) return null;
+    int idx = parent.children.indexOf(this);
+    return (idx == 0) ? null
+        : (Node)parent.children.get(idx - 1);
+  }
+
+  public TypeInfo getSchemaTypeInfo()
+  {
+    throw new Error("not implemented");
+  }
+
+  public String getTextContent()
+    throws DOMException
+  {
+    throw new Error("not implemented");
+  }
+
+  public Object getUserData(String key)
+  {
+    throw new Error("not implemented");
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#hasAttributes()
+   */
+  public boolean hasAttributes()
+  {
+    return !attrs.isEmpty();
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#hasChildNodes()
+   */
+  public boolean hasChildNodes()
+  {
+    return !children.isEmpty();
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#insertBefore(org.w3c.dom.Node, org.w3c.dom.Node)
+   */
+  public Node insertBefore(Node newChild, Node refChild)
+  {
+    if (newChild == null)
+      throw new IllegalArgumentException();
+    
+    int idx = children.indexOf(refChild);
+    if (idx == -1)
+      children.add(newChild);
+    else
+      children.add(idx, newChild);
+    ((IIOMetadataNode)newChild).parent = this;
+    
+    return newChild;
+  }
+
+  public boolean isDefaultNamespace(String namespaceURI)
+  {
+    throw new Error("not implemented");
+  }
+
+  public boolean isEqualNode(Node arg)
+  {
+    throw new Error("not implemented");
+  }
+  
+  public boolean isSameNode(Node other)
+  {
+    return this == other;
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#isSupported(java.lang.String, java.lang.String)
+   */
+  public boolean isSupported(String feature, String version)
+  {
+    // No DOM features are supported
+    return false;
+  }
+  
+  public String lookupNamespaceURI(String prefix)
+  {
+    throw new Error("not implemented");
+  }
+  
+  public String lookupPrefix(String namespaceURI)
+  {
+    throw new Error("not implemented");
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#normalize()
+   */
+  public void normalize()
+  {
+    // No text nodes so no action
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#removeChild(org.w3c.dom.Node)
+   */
+  public Node removeChild(Node oldChild)
+  {
+    if (oldChild == null)
+      throw new IllegalArgumentException();
+    children.remove(oldChild);
+    ((IIOMetadataNode)oldChild).parent = null;
+
+    return oldChild;
+  }
+
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#replaceChild(org.w3c.dom.Node, org.w3c.dom.Node)
+   */
+  public Node replaceChild(Node newChild, Node oldChild)
+  {
+    if (newChild == null)
+      throw new IllegalArgumentException();
+    children.set(children.indexOf(oldChild), newChild);
+    ((IIOMetadataNode)oldChild).parent = null;
+    return oldChild;
+  }
+  
+  public void setIdAttribute(String name, boolean isId)
+    throws DOMException
+  {
+    throw new Error("not implemented");
+  }
+
+  public void setIdAttributeNode(Attr idAttr, boolean isId)
+    throws DOMException
+  {
+    throw new Error("not implemented");
+  }
+
+  public void setIdAttributeNS(String namespaceURI, String localName, boolean isId)
+    throws DOMException
+  {
+    throw new Error("not implemented");
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#setNodeValue(java.lang.String)
+   */
+  public void setNodeValue(String nodeValue) throws DOMException
+  {
+  }
+  
+  /* (non-Javadoc)
+   * @see org.w3c.dom.Node#setPrefix(java.lang.String)
+   */
+  public void setPrefix(String prefix)
+  {
+  }
+
+  public void setTextContent(String textContent)
+    throws DOMException
+  {
+    throw new Error("not implemented");
+  }
+  
+  public Object setUserData(String key, Object data, UserDataHandler handler)
+  {
+    throw new Error("not implemented");
+  }
+}