ohair@286: /*
mkos@384:  * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
ohair@286:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ohair@286:  *
ohair@286:  * This code is free software; you can redistribute it and/or modify it
ohair@286:  * under the terms of the GNU General Public License version 2 only, as
ohair@286:  * published by the Free Software Foundation.  Oracle designates this
ohair@286:  * particular file as subject to the "Classpath" exception as provided
ohair@286:  * by Oracle in the LICENSE file that accompanied this code.
ohair@286:  *
ohair@286:  * This code is distributed in the hope that it will be useful, but WITHOUT
ohair@286:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ohair@286:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
ohair@286:  * version 2 for more details (a copy is included in the LICENSE file that
ohair@286:  * accompanied this code).
ohair@286:  *
ohair@286:  * You should have received a copy of the GNU General Public License version
ohair@286:  * 2 along with this work; if not, write to the Free Software Foundation,
ohair@286:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ohair@286:  *
ohair@286:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@286:  * or visit www.oracle.com if you need additional information or have any
ohair@286:  * questions.
ohair@286:  *
ohair@286:  * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.
ohair@286:  */
ohair@286: 
ohair@286: package com.sun.xml.internal.fastinfoset.sax;
ohair@286: 
ohair@286: import com.sun.xml.internal.fastinfoset.EncodingConstants;
ohair@286: import com.sun.xml.internal.fastinfoset.QualifiedName;
ohair@286: import com.sun.xml.internal.fastinfoset.algorithm.BuiltInEncodingAlgorithmFactory;
ohair@286: import java.io.IOException;
ohair@286: import java.util.Map;
ohair@286: import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithm;
ohair@286: import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;
ohair@286: import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmIndexes;
ohair@286: import com.sun.xml.internal.org.jvnet.fastinfoset.FastInfosetException;
ohair@286: 
ohair@286: import com.sun.xml.internal.org.jvnet.fastinfoset.sax.EncodingAlgorithmAttributes;
ohair@286: import com.sun.xml.internal.fastinfoset.CommonResourceBundle;
ohair@286: 
ohair@286: public class AttributesHolder implements EncodingAlgorithmAttributes {
ohair@286:     private static final int DEFAULT_CAPACITY = 8;
ohair@286: 
ohair@286:     private Map _registeredEncodingAlgorithms;
ohair@286: 
ohair@286:     private int _attributeCount;
ohair@286: 
ohair@286:     private QualifiedName[] _names;
ohair@286:     private String[] _values;
ohair@286: 
ohair@286:     private String[] _algorithmURIs;
ohair@286:     private int[] _algorithmIds;
ohair@286:     private Object[] _algorithmData;
ohair@286: 
ohair@286:     public AttributesHolder() {
ohair@286:         _names = new QualifiedName[DEFAULT_CAPACITY];
ohair@286:         _values = new String[DEFAULT_CAPACITY];
ohair@286: 
ohair@286:         _algorithmURIs = new String[DEFAULT_CAPACITY];
ohair@286:         _algorithmIds = new int[DEFAULT_CAPACITY];
ohair@286:         _algorithmData = new Object[DEFAULT_CAPACITY];
ohair@286:     }
ohair@286: 
ohair@286:     public AttributesHolder(Map registeredEncodingAlgorithms) {
ohair@286:         this();
ohair@286:         _registeredEncodingAlgorithms = registeredEncodingAlgorithms;
ohair@286:     }
ohair@286: 
ohair@286:     // org.xml.sax.Attributes
ohair@286: 
ohair@286:     public final int getLength() {
ohair@286:         return _attributeCount;
ohair@286:     }
ohair@286: 
ohair@286:     public final String getLocalName(int index) {
ohair@286:         return _names[index].localName;
ohair@286:     }
ohair@286: 
ohair@286:     public final String getQName(int index) {
ohair@286:         return _names[index].getQNameString();
ohair@286:     }
ohair@286: 
ohair@286:     public final String getType(int index) {
ohair@286:         return "CDATA";
ohair@286:     }
ohair@286: 
ohair@286:     public final String getURI(int index) {
ohair@286:         return _names[index].namespaceName;
ohair@286:     }
ohair@286: 
ohair@286:     public final String getValue(int index) {
ohair@286:         final String value = _values[index];
ohair@286:         if (value != null) {
ohair@286:             return value;
ohair@286:         }
ohair@286: 
ohair@286:         if (_algorithmData[index] == null ||
ohair@286:                 (_algorithmIds[index] >= EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START &&
ohair@286:                 _registeredEncodingAlgorithms == null)) {
ohair@286:             return null;
ohair@286:         }
ohair@286: 
ohair@286:         try {
ohair@286:             return _values[index] = convertEncodingAlgorithmDataToString(
ohair@286:                     _algorithmIds[index],
ohair@286:                     _algorithmURIs[index],
ohair@286:                     _algorithmData[index]).toString();
ohair@286:         } catch (IOException e) {
ohair@286:             return null;
ohair@286:         } catch (FastInfosetException e) {
ohair@286:             return null;
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     public final int getIndex(String qName) {
ohair@286:         int i = qName.indexOf(':');
ohair@286:         String prefix = "";
ohair@286:         String localName = qName;
ohair@286:         if (i >= 0) {
ohair@286:             prefix = qName.substring(0, i);
ohair@286:             localName = qName.substring(i + 1);
ohair@286:         }
ohair@286: 
ohair@286:         for (i = 0; i < _attributeCount; i++) {
ohair@286:             QualifiedName name = _names[i];
ohair@286:             if (localName.equals(name.localName) &&
ohair@286:                 prefix.equals(name.prefix)) {
ohair@286:                 return i;
ohair@286:             }
ohair@286:         }
ohair@286:         return -1;
ohair@286:     }
ohair@286: 
ohair@286:     public final String getType(String qName) {
ohair@286:         int index = getIndex(qName);
ohair@286:         if (index >= 0) {
ohair@286:             return "CDATA";
ohair@286:         } else {
ohair@286:             return null;
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     public final String getValue(String qName) {
ohair@286:         int index = getIndex(qName);
ohair@286:         if (index >= 0) {
ohair@286:             return _values[index];
ohair@286:         } else {
ohair@286:             return null;
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     public final int getIndex(String uri, String localName) {
ohair@286:         for (int i = 0; i < _attributeCount; i++) {
ohair@286:             QualifiedName name = _names[i];
ohair@286:             if (localName.equals(name.localName) &&
ohair@286:                 uri.equals(name.namespaceName)) {
ohair@286:                 return i;
ohair@286:             }
ohair@286:         }
ohair@286:         return -1;
ohair@286:     }
ohair@286: 
ohair@286:     public final String getType(String uri, String localName) {
ohair@286:         int index = getIndex(uri, localName);
ohair@286:         if (index >= 0) {
ohair@286:             return "CDATA";
ohair@286:         } else {
ohair@286:             return null;
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     public final String getValue(String uri, String localName) {
ohair@286:         int index = getIndex(uri, localName);
ohair@286:         if (index >= 0) {
ohair@286:             return _values[index];
ohair@286:         } else {
ohair@286:             return null;
ohair@286:         }
ohair@286:     }
ohair@286: 
ohair@286:     public final void clear() {
ohair@286:         for (int i = 0; i < _attributeCount; i++) {
ohair@286:             _values[i] = null;
ohair@286:             _algorithmData[i] = null;
ohair@286:         }
ohair@286:         _attributeCount = 0;
ohair@286:     }
ohair@286: 
ohair@286:     // EncodingAlgorithmAttributes
ohair@286: 
ohair@286:     public final String getAlgorithmURI(int index) {
ohair@286:         return _algorithmURIs[index];
ohair@286:     }
ohair@286: 
ohair@286:     public final int getAlgorithmIndex(int index) {
ohair@286:         return _algorithmIds[index];
ohair@286:     }
ohair@286: 
ohair@286:     public final Object getAlgorithmData(int index) {
ohair@286:         return _algorithmData[index];
ohair@286:     }
ohair@286: 
ohair@286:     public String getAlpababet(int index) {
ohair@286:         return null;
ohair@286:     }
ohair@286: 
ohair@286:     public boolean getToIndex(int index) {
ohair@286:         return false;
ohair@286:     }
ohair@286: 
ohair@286:     // -----
ohair@286: 
ohair@286:     public final void addAttribute(QualifiedName name, String value) {
ohair@286:         if (_attributeCount == _names.length) {
ohair@286:             resize();
ohair@286:         }
ohair@286:         _names[_attributeCount] = name;
ohair@286:         _values[_attributeCount++] = value;
ohair@286:     }
ohair@286: 
ohair@286:     public final void addAttributeWithAlgorithmData(QualifiedName name, String URI, int id, Object data) {
ohair@286:         if (_attributeCount == _names.length) {
ohair@286:             resize();
ohair@286:         }
ohair@286:         _names[_attributeCount] = name;
ohair@286:         _values[_attributeCount] = null;
ohair@286: 
ohair@286:         _algorithmURIs[_attributeCount] = URI;
ohair@286:         _algorithmIds[_attributeCount] = id;
ohair@286:         _algorithmData[_attributeCount++] = data;
ohair@286:     }
ohair@286: 
ohair@286:     public final QualifiedName getQualifiedName(int index) {
ohair@286:         return _names[index];
ohair@286:     }
ohair@286: 
ohair@286:     public final String getPrefix(int index) {
ohair@286:         return _names[index].prefix;
ohair@286:     }
ohair@286: 
ohair@286:     private final void resize() {
ohair@286:         final int newLength = _attributeCount * 3 / 2 + 1;
ohair@286: 
ohair@286:         QualifiedName[] names = new QualifiedName[newLength];
ohair@286:         String[] values = new String[newLength];
ohair@286: 
ohair@286:         String[] algorithmURIs = new String[newLength];
ohair@286:         int[] algorithmIds = new int[newLength];
ohair@286:         Object[] algorithmData = new Object[newLength];
ohair@286: 
ohair@286:         System.arraycopy(_names, 0, names, 0, _attributeCount);
ohair@286:         System.arraycopy(_values, 0, values, 0, _attributeCount);
ohair@286: 
ohair@286:         System.arraycopy(_algorithmURIs, 0, algorithmURIs, 0, _attributeCount);
ohair@286:         System.arraycopy(_algorithmIds, 0, algorithmIds, 0, _attributeCount);
ohair@286:         System.arraycopy(_algorithmData, 0, algorithmData, 0, _attributeCount);
ohair@286: 
ohair@286:         _names = names;
ohair@286:         _values = values;
ohair@286: 
ohair@286:         _algorithmURIs = algorithmURIs;
ohair@286:         _algorithmIds = algorithmIds;
ohair@286:         _algorithmData = algorithmData;
ohair@286:     }
ohair@286: 
ohair@286:     private final StringBuffer convertEncodingAlgorithmDataToString(int identifier, String URI, Object data) throws FastInfosetException, IOException {
ohair@286:         EncodingAlgorithm ea = null;
ohair@286:         if (identifier < EncodingConstants.ENCODING_ALGORITHM_BUILTIN_END) {
ohair@286:             ea = BuiltInEncodingAlgorithmFactory.getAlgorithm(identifier);
ohair@286:         } else if (identifier == EncodingAlgorithmIndexes.CDATA) {
ohair@286:             throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.CDATAAlgorithmNotSupported"));
ohair@286:         } else if (identifier >= EncodingConstants.ENCODING_ALGORITHM_APPLICATION_START) {
ohair@286:             if (URI == null) {
ohair@286:                 throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.URINotPresent") + identifier);
ohair@286:             }
ohair@286: 
ohair@286:             ea = (EncodingAlgorithm)_registeredEncodingAlgorithms.get(URI);
ohair@286:             if (ea == null) {
ohair@286:                 throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.algorithmNotRegistered") + URI);
ohair@286:             }
ohair@286:         } else {
ohair@286:             // Reserved built-in algorithms for future use
ohair@286:             // TODO should use sax property to decide if event will be
ohair@286:             // reported, allows for support through handler if required.
ohair@286:             throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().getString("message.identifiers10to31Reserved"));
ohair@286:         }
ohair@286: 
ohair@286:         final StringBuffer sb = new StringBuffer();
ohair@286:         ea.convertToCharacters(data, sb);
ohair@286:         return sb;
ohair@286:     }
ohair@286: 
ohair@286: }