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| 1 | /* | ||
| 2 | * Copyright (c) 2003, 2004, 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 javax.sql.rowset.serial; | ||
| 27 | |||
| 28 | import java.sql.*; | ||
| 29 | import java.io.*; | ||
| 30 | import java.net.URL; | ||
| 31 | |||
| 32 | |||
| 33 | /** | ||
| 34 | * A serialized mapping in the Java programming language of an SQL | ||
| 35 | * <code>DATALINK</code> value. A <code>DATALINK</code> value | ||
| 36 | * references a file outside of the underlying data source that the | ||
| 37 | * data source manages. | ||
| 38 | * <P> | ||
| 39 | * <code>RowSet</code> implementations can use the method <code>RowSet.getURL</code> | ||
| 40 | * to retrieve a <code>java.net.URL</code> object, which can be used | ||
| 41 | * to manipulate the external data. | ||
| 42 | * <pre> | ||
| 43 | * java.net.URL url = rowset.getURL(1); | ||
| 44 | * </pre> | ||
| 45 | */ | ||
| 46 | public class SerialDatalink implements Serializable, Cloneable { | ||
| 47 | |||
| 48 | /** | ||
| 49 | * The extracted URL field retrieved from the DATALINK field. | ||
| 50 | * @serial | ||
| 51 | */ | ||
| 52 | private URL url; | ||
| 53 | |||
| 54 | /** | ||
| 55 | * The SQL type of the elements in this <code>SerialDatalink</code> | ||
| 56 | * object. The type is expressed as one of the contants from the | ||
| 57 | * class <code>java.sql.Types</code>. | ||
| 58 | * @serial | ||
| 59 | */ | ||
| 60 | private int baseType; | ||
| 61 | |||
| 62 | /** | ||
| 63 | * The type name used by the DBMS for the elements in the SQL | ||
| 64 | * <code>DATALINK</code> value that this SerialDatalink object | ||
| 65 | * represents. | ||
| 66 | * @serial | ||
| 67 | */ | ||
| 68 | private String baseTypeName; | ||
| 69 | |||
| 70 | /** | ||
| 71 | * Constructs a new <code>SerialDatalink</code> object from the given | ||
| 72 | * <code>java.net.URL</code> object. | ||
| 73 | * <P> | ||
| 74 | * @throws SerialException if url parameter is a null | ||
| 75 | */ | ||
| 76 | public SerialDatalink(URL url) throws SerialException { | ||
| 77 | if (url == null) { | ||
| 78 | throw new SerialException("Cannot serialize empty URL instance"); | ||
| 79 | } | ||
| 80 | this.url = url; | ||
| 81 | } | ||
| 82 | |||
| 83 | /** | ||
| 84 | * Returns a new URL that is a copy of this <code>SerialDatalink</code> | ||
| 85 | * object. | ||
| 86 | * | ||
| 87 | * @return a copy of this <code>SerialDatalink</code> object as a | ||
| 88 | * <code>URL</code> object in the Java programming language. | ||
| 89 | * @throws SerialException if the <code>URL</code> object cannot be de-serialized | ||
| 90 | */ | ||
| 91 | public URL getDatalink() throws SerialException { | ||
| 92 | |||
| 93 | URL aURL = null; | ||
| 94 | |||
| 95 | try { | ||
| 96 | aURL = new URL((this.url).toString()); | ||
| 97 | } catch (java.net.MalformedURLException e) { | ||
| 98 | throw new SerialException("MalformedURLException: " + e.getMessage()); | ||
| 99 | } | ||
| 100 | return aURL; | ||
| 101 | } | ||
| 102 | |||
| 103 | |||
| 104 | /** | ||
| 105 | * The identifier that assists in the serialization of this <code>SerialDatalink</code> | ||
| 106 | * object. | ||
| 107 | */ | ||
| 108 | static final long serialVersionUID = 2826907821828733626L; | ||
| 109 | } | ||