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| 1 | /* | ||
| 2 | * Copyright (c) 1999, 2006, 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.management.loading; | ||
| 27 | |||
| 28 | |||
| 29 | // java import | ||
| 30 | |||
| 31 | import java.net.URL; | ||
| 32 | import java.net.MalformedURLException; | ||
| 33 | import java.util.Collections; | ||
| 34 | import java.util.List; | ||
| 35 | import java.util.Map; | ||
| 36 | |||
| 37 | /** | ||
| 38 | * This class represents the contents of the <CODE>MLET</CODE> tag. | ||
| 39 | * It can be consulted by a subclass of {@link MLet} that overrides | ||
| 40 | * the {@link MLet#check MLet.check} method. | ||
| 41 | * | ||
| 42 | * @since 1.6 | ||
| 43 | */ | ||
| 44 | public class MLetContent { | ||
| 45 | |||
| 46 | |||
| 47 | /** | ||
| 48 | * A map of the attributes of the <CODE>MLET</CODE> tag | ||
| 49 | * and their values. | ||
| 50 | */ | ||
| 51 | private Map<String,String> attributes; | ||
| 52 | |||
| 53 | /** | ||
| 54 | * An ordered list of the TYPE attributes that appeared in nested | ||
| 55 | * <PARAM> tags. | ||
| 56 | */ | ||
| 57 | private List<String> types; | ||
| 58 | |||
| 59 | /** | ||
| 60 | * An ordered list of the VALUE attributes that appeared in nested | ||
| 61 | * <PARAM> tags. | ||
| 62 | */ | ||
| 63 | private List<String> values; | ||
| 64 | |||
| 65 | /** | ||
| 66 | * The MLet text file's base URL. | ||
| 67 | */ | ||
| 68 | private URL documentURL; | ||
| 69 | /** | ||
| 70 | * The base URL. | ||
| 71 | */ | ||
| 72 | private URL baseURL; | ||
| 73 | |||
| 74 | |||
| 75 | /** | ||
| 76 | * Creates an <CODE>MLet</CODE> instance initialized with attributes read | ||
| 77 | * from an <CODE>MLET</CODE> tag in an MLet text file. | ||
| 78 | * | ||
| 79 | * @param url The URL of the MLet text file containing the | ||
| 80 | * <CODE>MLET</CODE> tag. | ||
| 81 | * @param attributes A map of the attributes of the <CODE>MLET</CODE> tag. | ||
| 82 | * The keys in this map are the attribute names in lowercase, for | ||
| 83 | * example <code>codebase</code>. The values are the associated attribute | ||
| 84 | * values. | ||
| 85 | * @param types A list of the TYPE attributes that appeared in nested | ||
| 86 | * <PARAM> tags. | ||
| 87 | * @param values A list of the VALUE attributes that appeared in nested | ||
| 88 | * <PARAM> tags. | ||
| 89 | */ | ||
| 90 | public MLetContent(URL url, Map<String,String> attributes, | ||
| 91 | List<String> types, List<String> values) { | ||
| 92 | this.documentURL = url; | ||
| 93 | this.attributes = Collections.unmodifiableMap(attributes); | ||
| 94 | this.types = Collections.unmodifiableList(types); | ||
| 95 | this.values = Collections.unmodifiableList(values); | ||
| 96 | |||
| 97 | // Initialize baseURL | ||
| 98 | // | ||
| 99 | String att = getParameter("codebase"); | ||
| 100 | if (att != null) { | ||
| 101 | if (!att.endsWith("/")) { | ||
| 102 | att += "/"; | ||
| 103 | } | ||
| 104 | try { | ||
| 105 | baseURL = new URL(documentURL, att); | ||
| 106 | } catch (MalformedURLException e) { | ||
| 107 | // OK : Move to next block as baseURL could not be initialized. | ||
| 108 | } | ||
| 109 | } | ||
| 110 | if (baseURL == null) { | ||
| 111 | String file = documentURL.getFile(); | ||
| 112 | int i = file.lastIndexOf('/'); | ||
| 113 | if (i >= 0 && i < file.length() - 1) { | ||
| 114 | try { | ||
| 115 | baseURL = new URL(documentURL, file.substring(0, i + 1)); | ||
| 116 | } catch (MalformedURLException e) { | ||
| 117 | // OK : Move to next block as baseURL could not be initialized. | ||
| 118 | } | ||
| 119 | } | ||
| 120 | } | ||
| 121 | if (baseURL == null) | ||
| 122 | baseURL = documentURL; | ||
| 123 | |||
| 124 | } | ||
| 125 | |||
| 126 | // GETTERS AND SETTERS | ||
| 127 | //-------------------- | ||
| 128 | |||
| 129 | /** | ||
| 130 | * Gets the attributes of the <CODE>MLET</CODE> tag. The keys in | ||
| 131 | * the returned map are the attribute names in lowercase, for | ||
| 132 | * example <code>codebase</code>. The values are the associated | ||
| 133 | * attribute values. | ||
| 134 | * @return A map of the attributes of the <CODE>MLET</CODE> tag | ||
| 135 | * and their values. | ||
| 136 | */ | ||
| 137 | public Map<String,String> getAttributes() { | ||
| 138 | return attributes; | ||
| 139 | } | ||
| 140 | |||
| 141 | /** | ||
| 142 | * Gets the MLet text file's base URL. | ||
| 143 | * @return The MLet text file's base URL. | ||
| 144 | */ | ||
| 145 | public URL getDocumentBase() { | ||
| 146 | return documentURL; | ||
| 147 | } | ||
| 148 | |||
| 149 | /** | ||
| 150 | * Gets the code base URL. | ||
| 151 | * @return The code base URL. | ||
| 152 | */ | ||
| 153 | public URL getCodeBase() { | ||
| 154 | return baseURL; | ||
| 155 | } | ||
| 156 | |||
| 157 | /** | ||
| 158 | * Gets the list of <CODE>.jar</CODE> files specified by the <CODE>ARCHIVE</CODE> | ||
| 159 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 160 | * @return A comma-separated list of <CODE>.jar</CODE> file names. | ||
| 161 | */ | ||
| 162 | public String getJarFiles() { | ||
| 163 | return getParameter("archive"); | ||
| 164 | } | ||
| 165 | |||
| 166 | /** | ||
| 167 | * Gets the value of the <CODE>CODE</CODE> | ||
| 168 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 169 | * @return The value of the <CODE>CODE</CODE> | ||
| 170 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 171 | */ | ||
| 172 | public String getCode() { | ||
| 173 | return getParameter("code"); | ||
| 174 | } | ||
| 175 | |||
| 176 | /** | ||
| 177 | * Gets the value of the <CODE>OBJECT</CODE> | ||
| 178 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 179 | * @return The value of the <CODE>OBJECT</CODE> | ||
| 180 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 181 | */ | ||
| 182 | public String getSerializedObject() { | ||
| 183 | return getParameter("object"); | ||
| 184 | } | ||
| 185 | |||
| 186 | /** | ||
| 187 | * Gets the value of the <CODE>NAME</CODE> | ||
| 188 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 189 | * @return The value of the <CODE>NAME</CODE> | ||
| 190 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 191 | */ | ||
| 192 | public String getName() { | ||
| 193 | return getParameter("name"); | ||
| 194 | } | ||
| 195 | |||
| 196 | |||
| 197 | /** | ||
| 198 | * Gets the value of the <CODE>VERSION</CODE> | ||
| 199 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 200 | * @return The value of the <CODE>VERSION</CODE> | ||
| 201 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 202 | */ | ||
| 203 | public String getVersion() { | ||
| 204 | return getParameter("version"); | ||
| 205 | } | ||
| 206 | |||
| 207 | /** | ||
| 208 | * Gets the list of values of the <code>TYPE</code> attribute in | ||
| 209 | * each nested <PARAM> tag within the <code>MLET</code> | ||
| 210 | * tag. | ||
| 211 | * @return the list of types. | ||
| 212 | */ | ||
| 213 | public List<String> getParameterTypes() { | ||
| 214 | return types; | ||
| 215 | } | ||
| 216 | |||
| 217 | /** | ||
| 218 | * Gets the list of values of the <code>VALUE</code> attribute in | ||
| 219 | * each nested <PARAM> tag within the <code>MLET</code> | ||
| 220 | * tag. | ||
| 221 | * @return the list of values. | ||
| 222 | */ | ||
| 223 | public List<String> getParameterValues() { | ||
| 224 | return values; | ||
| 225 | } | ||
| 226 | |||
| 227 | /** | ||
| 228 | * Gets the value of the specified | ||
| 229 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 230 | * | ||
| 231 | * @param name A string representing the name of the attribute. | ||
| 232 | * @return The value of the specified | ||
| 233 | * attribute of the <CODE>MLET</CODE> tag. | ||
| 234 | */ | ||
| 235 | private String getParameter(String name) { | ||
| 236 | return attributes.get(name.toLowerCase()); | ||
| 237 | } | ||
| 238 | |||
| 239 | } | ||