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package com.sun.org.apache.xerces.internal.util;
import com.sun.org.apache.xerces.internal.impl.Constants;
import com.sun.org.apache.xerces.internal.xni.XMLAttributes;
import org.xml.sax.AttributeList;
import org.xml.sax.ext.Attributes2;
/**
* Wraps {@link XMLAttributes} and makes it look like
* {@link AttributeList} and {@link Attributes}.
*
* @author Arnaud Le Hors, IBM
* @author Andy Clark, IBM
*
* @version $Id: AttributesProxy.java,v 1.7 2010-11-01 04:40:13 joehw Exp $
*/
public final class AttributesProxy
implements AttributeList, Attributes2 {
//
// Data
//
/** XML attributes. */
private XMLAttributes fAttributes;
//
// Constructors
//
public AttributesProxy(XMLAttributes attributes) {
fAttributes = attributes;
}
//
// Public methods
//
/** Sets the XML attributes to be wrapped. */
public void setAttributes(XMLAttributes attributes) {
fAttributes = attributes;
} // setAttributes(XMLAttributes)
public XMLAttributes getAttributes() {
return fAttributes;
}
/*
* Attributes methods
*/
public int getLength() {
return fAttributes.getLength();
}
public String getQName(int index) {
return fAttributes.getQName(index);
}
public String getURI(int index) {
// This hides the fact that internally we use null instead of empty string
// SAX requires the URI to be a string or an empty string
String uri = fAttributes.getURI(index);
return uri != null ? uri : XMLSymbols.EMPTY_STRING;
}
public String getLocalName(int index) {
return fAttributes.getLocalName(index);
}
public String getType(int i) {
return fAttributes.getType(i);
}
public String getType(String name) {
return fAttributes.getType(name);
}
public String getType(String uri, String localName) {
return uri.equals(XMLSymbols.EMPTY_STRING) ?
fAttributes.getType(null, localName) :
fAttributes.getType(uri, localName);
}
public String getValue(int i) {
return fAttributes.getValue(i);
}
public String getValue(String name) {
return fAttributes.getValue(name);
}
public String getValue(String uri, String localName) {
return uri.equals(XMLSymbols.EMPTY_STRING) ?
fAttributes.getValue(null, localName) :
fAttributes.getValue(uri, localName);
}
public int getIndex(String qName) {
return fAttributes.getIndex(qName);
}
public int getIndex(String uri, String localPart) {
return uri.equals(XMLSymbols.EMPTY_STRING) ?
fAttributes.getIndex(null, localPart) :
fAttributes.getIndex(uri, localPart);
}
/*
* Attributes2 methods
*/
public boolean isDeclared(int index) {
if (index < 0 || index >= fAttributes.getLength()) {
throw new ArrayIndexOutOfBoundsException(index);
}
return Boolean.TRUE.equals(
fAttributes.getAugmentations(index).getItem(
Constants.ATTRIBUTE_DECLARED));
}
public boolean isDeclared(String qName) {
int index = getIndex(qName);
if (index == -1) {
throw new IllegalArgumentException(qName);
}
return Boolean.TRUE.equals(
fAttributes.getAugmentations(index).getItem(
Constants.ATTRIBUTE_DECLARED));
}
public boolean isDeclared(String uri, String localName) {
int index = getIndex(uri, localName);
if (index == -1) {
throw new IllegalArgumentException(localName);
}
return Boolean.TRUE.equals(
fAttributes.getAugmentations(index).getItem(
Constants.ATTRIBUTE_DECLARED));
}
public boolean isSpecified(int index) {
if (index < 0 || index >= fAttributes.getLength()) {
throw new ArrayIndexOutOfBoundsException(index);
}
return fAttributes.isSpecified(index);
}
public boolean isSpecified(String qName) {
int index = getIndex(qName);
if (index == -1) {
throw new IllegalArgumentException(qName);
}
return fAttributes.isSpecified(index);
}
public boolean isSpecified(String uri, String localName) {
int index = getIndex(uri, localName);
if (index == -1) {
throw new IllegalArgumentException(localName);
}
return fAttributes.isSpecified(index);
}
/*
* AttributeList methods
*/
public String getName(int i) {
return fAttributes.getQName(i);
}
}