1 /*

     2  * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Oracle designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Oracle in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    25 

    26 package com.sun.xml.internal.messaging.saaj.util;

    27 

    28 import java.io.*;

    29 

    30 import javax.xml.transform.stream.StreamSource;

    31 

    32 

    33 /**

    34  *

    35  * @author Anil Vijendran

    36  */

    37 public class JAXMStreamSource extends StreamSource {

    38     InputStream in;

    39     Reader reader;

    40     private static final boolean lazyContentLength;

    41     static {

    42         lazyContentLength = SAAJUtil.getSystemBoolean("saaj.lazy.contentlength");

    43     }

    44     public JAXMStreamSource(InputStream is) throws IOException {

    45         if (lazyContentLength) {

    46             in = is;

    47         } else if (is instanceof ByteInputStream) {

    48             this.in = (ByteInputStream) is;

    49         } else {

    50             ByteOutputStream bout = null;

    51             try {

    52                 bout = new ByteOutputStream();

    53                 bout.write(is);

    54                 this.in = bout.newInputStream();

    55             } finally {

    56                 if (bout != null)

    57                     bout.close();

    58             }

    59         }

    60     }

    61 

    62     public JAXMStreamSource(Reader rdr) throws IOException {

    63 

    64         if (lazyContentLength) {

    65             this.reader = rdr;

    66             return;

    67         }

    68         CharWriter cout = new CharWriter();

    69         char[] temp = new char[1024];

    70         int len;

    71 

    72         while (-1 != (len = rdr.read(temp)))

    73             cout.write(temp, 0, len);

    74 

    75         this.reader = new CharReader(cout.getChars(), cout.getCount());

    76     }

    77 

    78     public InputStream getInputStream() {

    79         return in;

    80     }

    81 

    82     public Reader getReader() {

    83         return reader;

    84     }

    85 

    86     public void reset() throws IOException {

    87             if (in != null)

    88                 in.reset();

    89             if (reader != null)

    90                 reader.reset();

    91     }

    92 }