/*
    * 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 org.apache.maven.shared.utils.xml;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Reader;
  import java.net.URL;
  import java.net.URLConnection;
  import java.util.regex.Pattern;
  
  /**
   * @deprecated use org.apache.commons.io.input.XmlStreamReader instead
   */
  @Deprecated
  public class XmlStreamReader extends Reader {
      private final org.apache.commons.io.input.XmlStreamReader reader;
  
      private static String staticDefaultEncoding = null;
  
      /**
       * @param encoding define the default encoding.
       */
      public static void setDefaultEncoding(String encoding) {
          staticDefaultEncoding = encoding;
      }
  
      /**
       * @return the default encoding.
       */
      public static String getDefaultEncoding() {
          return staticDefaultEncoding;
      }
  
      /**
       * @param file The file to create it from.
       * @throws IOException in case of an error
       */
      public XmlStreamReader(File file) throws IOException {
          this(new FileInputStream(file));
      }
  
      /**
       * @param is {@link InputStream}
       * @throws IOException in case of an error
       */
      public XmlStreamReader(InputStream is) throws IOException {
          this(is, true);
      }
  
      /**
       * @param is {@link InputStream}
       * @param lenient yes/no
       * @throws IOException in case of an error
       */
      public XmlStreamReader(InputStream is, boolean lenient) throws IOException {
          reader = new org.apache.commons.io.input.XmlStreamReader(is, lenient, staticDefaultEncoding);
      }
  
      /**
       * @param url {@link URL}
       * @throws IOException in case of error
       */
      public XmlStreamReader(URL url) throws IOException {
          this(url.openConnection());
      }
  
      /**
       * @param conn The URL connection {@link URLConnection}
       * @throws IOException in case of error
       */
      public XmlStreamReader(URLConnection conn) throws IOException {
          reader = new org.apache.commons.io.input.XmlStreamReader(conn, staticDefaultEncoding);
      }
  
      /**
       * @param is {@link InputStream}
       * @param httpContentType content type
       * @throws IOException in case of error
       */
      public XmlStreamReader(InputStream is, String httpContentType) throws IOException {
         this(is, httpContentType, true);
     }
 
     /**
      * @param is {@link InputStream}
      * @param httpContentType content type
      * @param lenient yes/no
      * @param defaultEncoding the default encoding
      * @throws IOException in case of error
      */
     public XmlStreamReader(InputStream is, String httpContentType, boolean lenient, String defaultEncoding)
             throws IOException {
         reader = new org.apache.commons.io.input.XmlStreamReader(
                 is, httpContentType, lenient, (defaultEncoding == null) ? staticDefaultEncoding : defaultEncoding);
     }
 
     /**
      * @param is {@link InputStream}
      * @param httpContentType content type
      * @param lenient yes/no
      * @throws IOException in case of error
      */
     public XmlStreamReader(InputStream is, String httpContentType, boolean lenient) throws IOException {
         this(is, httpContentType, lenient, null);
     }
 
     /**
      * @return the current encoding
      */
     public String getEncoding() {
         return reader.getEncoding();
     }
 
     /** {@inheritDoc} */
     public int read(char[] buf, int offset, int len) throws IOException {
         return reader.read(buf, offset, len);
     }
 
     /** {@inheritDoc} */
     public void close() throws IOException {
         reader.close();
     }
 
     static final Pattern ENCODING_PATTERN =
             Pattern.compile("<\\?xml.*encoding[\\s]*=[\\s]*((?:\".[^\"]*\")|(?:'.[^']*'))", Pattern.MULTILINE);
 }