| /* |
| * Copyright (C) 2007 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.harmony.xml.dom; |
| |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.DOMException; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| |
| /** |
| * Provides a straightforward implementation of the corresponding W3C DOM |
| * interface. The class is used internally only, thus only notable members that |
| * are not in the original interface are documented (the W3C docs are quite |
| * extensive). Hope that's ok. |
| * <p> |
| * Some of the fields may have package visibility, so other classes belonging to |
| * the DOM implementation can easily access them while maintaining the DOM tree |
| * structure. |
| */ |
| public class AttrImpl extends NodeImpl implements Attr { |
| |
| // Maintained by ElementImpl. |
| ElementImpl ownerElement; |
| |
| private boolean namespaceAware; |
| |
| private String namespaceURI; |
| |
| private String localName; |
| |
| private String prefix; |
| |
| private String value; |
| |
| AttrImpl(DocumentImpl document, String namespaceURI, String qualifiedName) { |
| super(document); |
| |
| namespaceAware = true; |
| this.namespaceURI = namespaceURI; |
| |
| if (qualifiedName == null || "".equals(qualifiedName)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, qualifiedName); |
| } |
| |
| int prefixSeparator = qualifiedName.lastIndexOf(":"); |
| if (prefixSeparator != -1) { |
| setPrefix(qualifiedName.substring(0, prefixSeparator)); |
| qualifiedName = qualifiedName.substring(prefixSeparator + 1); |
| } |
| |
| localName = qualifiedName; |
| |
| if ("".equals(localName)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, localName); |
| } |
| |
| if ("xmlns".equals(localName) && !"http://www.w3.org/2000/xmlns/".equals(namespaceURI)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, localName); |
| } |
| |
| if (!document.isXMLIdentifier(localName)) { |
| throw new DOMException(DOMException.INVALID_CHARACTER_ERR, localName); |
| } |
| |
| value = ""; |
| } |
| |
| AttrImpl(DocumentImpl document, String name) { |
| super(document); |
| |
| this.namespaceAware = false; |
| |
| int prefixSeparator = name.lastIndexOf(":"); |
| if (prefixSeparator != -1) { |
| String prefix = name.substring(0, prefixSeparator); |
| String localName = name.substring(prefixSeparator + 1); |
| |
| if (!document.isXMLIdentifier(prefix) || !document.isXMLIdentifier(localName)) { |
| throw new DOMException(DOMException.INVALID_CHARACTER_ERR, name); |
| } |
| } else { |
| if (!document.isXMLIdentifier(name)) { |
| throw new DOMException(DOMException.INVALID_CHARACTER_ERR, name); |
| } |
| } |
| |
| this.localName = name; |
| } |
| |
| @Override |
| public String getLocalName() { |
| return namespaceAware ? localName : null; |
| } |
| |
| public String getName() { |
| return (prefix != null ? prefix + ":" : "") + localName; |
| } |
| |
| @Override |
| public String getNamespaceURI() { |
| return namespaceURI; |
| } |
| |
| @Override |
| public String getNodeName() { |
| return getName(); |
| } |
| |
| public short getNodeType() { |
| return Node.ATTRIBUTE_NODE; |
| } |
| |
| @Override |
| public String getNodeValue() { |
| return getValue(); |
| } |
| |
| public Element getOwnerElement() { |
| return ownerElement; |
| } |
| |
| @Override |
| public String getPrefix() { |
| return prefix; |
| } |
| |
| public boolean getSpecified() { |
| return value != null; |
| } |
| |
| public String getValue() { |
| return value; |
| } |
| |
| @Override |
| public void setNodeValue(String value) throws DOMException { |
| setValue(value); |
| } |
| |
| @Override |
| public void setPrefix(String prefix) { |
| if (!namespaceAware) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, prefix); |
| } |
| |
| if (prefix != null) { |
| if (namespaceURI == null || !document.isXMLIdentifier(prefix) || "xmlns".equals(prefix)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, prefix); |
| } |
| |
| if ("xml".equals(prefix) && !"http://www.w3.org/XML/1998/namespace".equals(namespaceURI)) { |
| throw new DOMException(DOMException.NAMESPACE_ERR, prefix); |
| } |
| } |
| |
| this.prefix = prefix; |
| } |
| |
| public void setValue(String value) throws DOMException { |
| this.value = value; |
| } |
| |
| } |