jdk8-mips64-public/jaxws: src/share/jaf_classes/javax/activation/DataSource.java@f3d512b73229

     1 /*

     2  * Copyright (c) 1997, 2005, 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  */

    26 package javax.activation;

    28 import java.io.InputStream;

    29 import java.io.OutputStream;

    30 import java.io.IOException;

    32 /**

    33  * The DataSource interface provides the JavaBeans Activation Framework

    34  * with an abstraction of an arbitrary collection of data.  It

    35  * provides a type for that data as well as access

    36  * to it in the form of <code>InputStreams</code> and

    37  * <code>OutputStreams</code> where appropriate.

    38  *

    39  * @since 1.6

    40  */

    42 public interface DataSource {

    44     /**

    45      * This method returns an <code>InputStream</code> representing

    46      * the data and throws the appropriate exception if it can

    47      * not do so.  Note that a new <code>InputStream</code> object must be

    48      * returned each time this method is called, and the stream must be

    49      * positioned at the beginning of the data.

    50      *

    51      * @return an InputStream

    52      */

    53     public InputStream getInputStream() throws IOException;

    55     /**

    56      * This method returns an <code>OutputStream</code> where the

    57      * data can be written and throws the appropriate exception if it can

    58      * not do so.  Note that a new <code>OutputStream</code> object must

    59      * be returned each time this method is called, and the stream must

    60      * be positioned at the location the data is to be written.

    61      *

    62      * @return an OutputStream

    63      */

    64     public OutputStream getOutputStream() throws IOException;

    66     /**

    67      * This method returns the MIME type of the data in the form of a

    68      * string. It should always return a valid type. It is suggested

    69      * that getContentType return "application/octet-stream" if the

    70      * DataSource implementation can not determine the data type.

    71      *

    72      * @return the MIME Type

    73      */

    74     public String getContentType();

    76     /**

    77      * Return the <i>name</i> of this object where the name of the object

    78      * is dependant on the nature of the underlying objects. DataSources

    79      * encapsulating files may choose to return the filename of the object.

    80      * (Typically this would be the last component of the filename, not an

    81      * entire pathname.)

    82      *

    83      * @return the name of the object.

    84      */

    85     public String getName();

    86 }

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