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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 | +} | |