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This module contains the Metro runtime code.
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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2005-2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * http://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
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 */

package com.sun.xml.stream.buffer.stax;

import com.sun.xml.stream.buffer.AbstractCreator;
import java.util.ArrayList;
import java.util.List;

/**
 * {@link AbstractCreator} with additional convenience code.
 *
 * @author Paul Sandoz
 * @author Venu
 * @author Kohsuke Kawaguchi
 */
abstract class StreamBufferCreator extends AbstractCreator {
    
    private boolean checkAttributeValue = false;
    
    protected List attributeValuePrefixes = new ArrayList();
    
    protected void storeQualifiedName(int item, String prefix, String uri, String localName) {
        if (uri != null && uri.length() > 0) {
            if (prefix != null && prefix.length() > 0) {
                item |= FLAG_PREFIX;
                storeStructureString(prefix);
            }

            item |= FLAG_URI;
            storeStructureString(uri);
        }

        storeStructureString(localName);

        storeStructure(item);
    }

    protected final void storeNamespaceAttribute(String prefix, String uri) {
        int item = T_NAMESPACE_ATTRIBUTE;

        if (prefix != null && prefix.length() > 0) {
            item |= FLAG_PREFIX;
            storeStructureString(prefix);
        }

        if (uri != null && uri.length() > 0) {
            item |= FLAG_URI;
            storeStructureString(uri);
        }

        storeStructure(item);
    }

    protected final void storeAttribute(String prefix, String uri, String localName, String type, String value) {
        storeQualifiedName(T_ATTRIBUTE_LN, prefix, uri, localName);

        storeStructureString(type);
        storeContentString(value);
        if(checkAttributeValue && value.indexOf("://") == -1){  // the condition after && avoids looking inside URIs 
            int firstIndex = value.indexOf(":");
            int lastIndex = value.lastIndexOf(":");  // Check last index of : as some SAML namespace have multiple ":"s
            if(firstIndex != -1 && lastIndex == firstIndex){
                String valuePrefix = value.substring(0, firstIndex);
                if(!attributeValuePrefixes.contains(valuePrefix)){
                    attributeValuePrefixes.add(valuePrefix);
                }
            }
        }
    }
    
    public final List getAttributeValuePrefixes(){
        return attributeValuePrefixes;
    }

    protected final void storeProcessingInstruction(String target, String data) {
        storeStructure(T_PROCESSING_INSTRUCTION);
        storeStructureString(target);
        storeStructureString(data);
    }
    
    public final boolean isCheckAttributeValue(){
        return checkAttributeValue;
    }
    
    public final void setCheckAttributeValue(boolean value){
        this.checkAttributeValue = value;
    }
}