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 * reserved comment block

 * DO NOT REMOVE OR ALTER!

 */

/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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 com.sun.org.apache.xerces.internal.util;

import com.sun.org.apache.xerces.internal.xni.XMLResourceIdentifier;

/**

 * The XMLResourceIdentifierImpl class is an implementation of the

 * XMLResourceIdentifier interface which defines the location identity

 * of a resource.

 *

 * @author Andy Clark

 *

 */

public class XMLResourceIdentifierImpl

    implements XMLResourceIdentifier {

    //

    // Data

    //

    /** The public identifier. */

    protected String fPublicId;

    /** The literal system identifier. */

    protected String fLiteralSystemId;

    /** The base system identifier. */

    protected String fBaseSystemId;

    /** The expanded system identifier. */

    protected String fExpandedSystemId;

    /** The namespace of the resource. */

    protected String fNamespace;

    //

    // Constructors

    //

    /** Constructs an empty resource identifier. */

    public XMLResourceIdentifierImpl() {} // <init>()

    /**

     * Constructs a resource identifier.

     *

     * @param publicId The public identifier.

     * @param literalSystemId The literal system identifier.

     * @param baseSystemId The base system identifier.

     * @param expandedSystemId The expanded system identifier.

     */

    public XMLResourceIdentifierImpl(String publicId,

                                     String literalSystemId, String baseSystemId,

                                     String expandedSystemId) {

        setValues(publicId, literalSystemId, baseSystemId,

                  expandedSystemId, null);

    } // <init>(String,String,String,String)

    /**

     * Constructs a resource identifier.

     *

     * @param publicId The public identifier.

     * @param literalSystemId The literal system identifier.

     * @param baseSystemId The base system identifier.

     * @param expandedSystemId The expanded system identifier.

     * @param namespace The namespace.

     */

    public XMLResourceIdentifierImpl(String publicId, String literalSystemId,

                                     String baseSystemId, String expandedSystemId,

                                     String namespace) {

        setValues(publicId, literalSystemId, baseSystemId,

                  expandedSystemId, namespace);

    } // <init>(String,String,String,String,String)

    //

    // Public methods

    //

    /** Sets the values of the resource identifier. */

    public void setValues(String publicId, String literalSystemId,

                          String baseSystemId, String expandedSystemId) {

        setValues(publicId, literalSystemId, baseSystemId,

                  expandedSystemId, null);

    } // setValues(String,String,String,String)

    /** Sets the values of the resource identifier. */

    public void setValues(String publicId, String literalSystemId,

                          String baseSystemId, String expandedSystemId,

                          String namespace) {

        fPublicId = publicId;

        fLiteralSystemId = literalSystemId;

        fBaseSystemId = baseSystemId;

        fExpandedSystemId = expandedSystemId;

        fNamespace = namespace;

    } // setValues(String,String,String,String,String)

    /** Clears the values. */

    public void clear() {

        fPublicId = null;

        fLiteralSystemId = null;

        fBaseSystemId = null;

        fExpandedSystemId = null;

        fNamespace = null;

    } // clear()

    /** Sets the public identifier. */

    public void setPublicId(String publicId) {

        fPublicId = publicId;

    } // setPublicId(String)

    /** Sets the literal system identifier. */

    public void setLiteralSystemId(String literalSystemId) {

        fLiteralSystemId = literalSystemId;

    } // setLiteralSystemId(String)

    /** Sets the base system identifier. */

    public void setBaseSystemId(String baseSystemId) {

        fBaseSystemId = baseSystemId;

    } // setBaseSystemId(String)

    /** Sets the expanded system identifier. */

    public void setExpandedSystemId(String expandedSystemId) {

        fExpandedSystemId = expandedSystemId;

    } // setExpandedSystemId(String)

    /** Sets the namespace of the resource. */

    public void setNamespace(String namespace) {

        fNamespace = namespace;

    } // setNamespace(String)

    //

    // XMLResourceIdentifier methods

    //

    /** Returns the public identifier. */

    public String getPublicId() {

        return fPublicId;

    } // getPublicId():String

    /** Returns the literal system identifier. */

    public String getLiteralSystemId() {

        return fLiteralSystemId;

    } // getLiteralSystemId():String

    /**

     * Returns the base URI against which the literal SystemId is to be resolved.

     */

    public String getBaseSystemId() {

        return fBaseSystemId;

    } // getBaseSystemId():String

    /** Returns the expanded system identifier. */

    public String getExpandedSystemId() {

        return fExpandedSystemId;

    } // getExpandedSystemId():String

    /** Returns the namespace of the resource. */

    public String getNamespace() {

        return fNamespace;

    } // getNamespace():String

    //

    // Object methods

    //

    /** Returns a hash code for this object. */

    public int hashCode() {

        int code = 0;

        if (fPublicId != null) {

            code += fPublicId.hashCode();

        }

        if (fLiteralSystemId != null) {

            code += fLiteralSystemId.hashCode();

        }

        if (fBaseSystemId != null) {

            code += fBaseSystemId.hashCode();

        }

        if (fExpandedSystemId != null) {

            code += fExpandedSystemId.hashCode();

        }

        if (fNamespace != null) {

            code += fNamespace.hashCode();

        }

        return code;

    } // hashCode():int

    /** Returns a string representation of this object. */

    public String toString() {

        StringBuffer str = new StringBuffer();

        if (fPublicId != null) {

            str.append(fPublicId);

        }

        str.append(':');

        if (fLiteralSystemId != null) {

            str.append(fLiteralSystemId);

        }

        str.append(':');

        if (fBaseSystemId != null) {

            str.append(fBaseSystemId);

        }

        str.append(':');

        if (fExpandedSystemId != null) {

            str.append(fExpandedSystemId);

        }

        str.append(':');

        if (fNamespace != null) {

            str.append(fNamespace);

        }

        return str.toString();

    } // toString():String

} // class XMLResourceIdentifierImpl