content: /*
   * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  // SAX default implementation for Locator.
  // http://www.saxproject.org
  // No warranty; no copyright -- use this as you will.
  // $Id: LocatorImpl.java,v 1.2 2004/11/03 22:53:09 jsuttor Exp $
  
  package org.xml.sax.helpers;
  
  import org.xml.sax.Locator;
  
  
  /**
   * Provide an optional convenience implementation of Locator.
   *
   * <blockquote>
   * <em>This module, both source code and documentation, is in the
   * Public Domain, and comes with <strong>NO WARRANTY</strong>.</em>
   * See <a href='http://www.saxproject.org'>http://www.saxproject.org</a>
   * for further information.
   * </blockquote>
   *
   * <p>This class is available mainly for application writers, who
   * can use it to make a persistent snapshot of a locator at any
   * point during a document parse:</p>
   *
   * <pre>
   * Locator locator;
   * Locator startloc;
   *
   * public void setLocator (Locator locator)
   * {
   *         // note the locator
   *   this.locator = locator;
   * }
   *
   * public void startDocument ()
   * {
   *         // save the location of the start of the document
   *         // for future use.
   *   Locator startloc = new LocatorImpl(locator);
   * }
   *</pre>
   *
   * <p>Normally, parser writers will not use this class, since it
   * is more efficient to provide location information only when
   * requested, rather than constantly updating a Locator object.</p>
   *
   * @since SAX 1.0
   * @author David Megginson
   * @see org.xml.sax.Locator Locator
   */
  public class LocatorImpl implements Locator
  {
  
  
      /**
       * Zero-argument constructor.
       *
       * <p>This will not normally be useful, since the main purpose
       * of this class is to make a snapshot of an existing Locator.</p>
       */
      public LocatorImpl ()
      {
      }
  
  
      /**
       * Copy constructor.
       *
       * <p>Create a persistent copy of the current state of a locator.
       * When the original locator changes, this copy will still keep
       * the original values (and it can be used outside the scope of
       * DocumentHandler methods).</p>
       *
       * @param locator The locator to copy.
       */
      public LocatorImpl (Locator locator)
      {
          setPublicId(locator.getPublicId());
          setSystemId(locator.getSystemId());
          setLineNumber(locator.getLineNumber());
          setColumnNumber(locator.getColumnNumber());
      }
  
  
  
      ////////////////////////////////////////////////////////////////////
      // Implementation of org.xml.sax.Locator
      ////////////////////////////////////////////////////////////////////
  
  
      /**
       * Return the saved public identifier.
       *
       * @return The public identifier as a string, or null if none
       *         is available.
       * @see org.xml.sax.Locator#getPublicId
       * @see #setPublicId
       */
      public String getPublicId ()
      {
          return publicId;
      }
  
  
      /**
       * Return the saved system identifier.
       *
       * @return The system identifier as a string, or null if none
       *         is available.
       * @see org.xml.sax.Locator#getSystemId
       * @see #setSystemId
       */
      public String getSystemId ()
      {
          return systemId;
      }
  
  
      /**
       * Return the saved line number (1-based).
       *
       * @return The line number as an integer, or -1 if none is available.
       * @see org.xml.sax.Locator#getLineNumber
       * @see #setLineNumber
       */
      public int getLineNumber ()
      {
          return lineNumber;
      }
  
  
      /**
       * Return the saved column number (1-based).
       *
       * @return The column number as an integer, or -1 if none is available.
       * @see org.xml.sax.Locator#getColumnNumber
       * @see #setColumnNumber
       */
      public int getColumnNumber ()
      {
          return columnNumber;
      }
  
  
  
      ////////////////////////////////////////////////////////////////////
      // Setters for the properties (not in org.xml.sax.Locator)
      ////////////////////////////////////////////////////////////////////
  
  
      /**
       * Set the public identifier for this locator.
       *
       * @param publicId The new public identifier, or null
       *        if none is available.
       * @see #getPublicId
       */
      public void setPublicId (String publicId)
      {
          this.publicId = publicId;
      }
  
  
      /**
       * Set the system identifier for this locator.
       *
       * @param systemId The new system identifier, or null
       *        if none is available.
       * @see #getSystemId
       */
      public void setSystemId (String systemId)
      {
          this.systemId = systemId;
      }
  
  
      /**
       * Set the line number for this locator (1-based).
       *
       * @param lineNumber The line number, or -1 if none is available.
       * @see #getLineNumber
       */
      public void setLineNumber (int lineNumber)
      {
          this.lineNumber = lineNumber;
      }
  
  
      /**
       * Set the column number for this locator (1-based).
       *
       * @param columnNumber The column number, or -1 if none is available.
       * @see #getColumnNumber
       */
      public void setColumnNumber (int columnNumber)
      {
          this.columnNumber = columnNumber;
      }
  
  
  
      ////////////////////////////////////////////////////////////////////
      // Internal state.
      ////////////////////////////////////////////////////////////////////
  
      private String publicId;
      private String systemId;
      private int lineNumber;
      private int columnNumber;
  
  }
  
  // end of LocatorImpl.java
  