Source Code Cross Referenced for Util.java in  » IDE-Netbeans » api » org » netbeans » spi » xml » cookies » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » IDE Netbeans » api » org.netbeans.spi.xml.cookies 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
003:         *
004:         * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
005:         *
006:         * The contents of this file are subject to the terms of either the GNU
007:         * General Public License Version 2 only ("GPL") or the Common
008:         * Development and Distribution License("CDDL") (collectively, the
009:         * "License"). You may not use this file except in compliance with the
010:         * License. You can obtain a copy of the License at
011:         * http://www.netbeans.org/cddl-gplv2.html
012:         * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
013:         * specific language governing permissions and limitations under the
014:         * License.  When distributing the software, include this License Header
015:         * Notice in each file and include the License file at
016:         * nbbuild/licenses/CDDL-GPL-2-CP.  Sun designates this
017:         * particular file as subject to the "Classpath" exception as provided
018:         * by Sun in the GPL Version 2 section of the License file that
019:         * accompanied this code. If applicable, add the following below the
020:         * License Header, with the fields enclosed by brackets [] replaced by
021:         * your own identifying information:
022:         * "Portions Copyrighted [year] [name of copyright owner]"
023:         *
024:         * Contributor(s):
025:         *
026:         * The Original Software is NetBeans. The Initial Developer of the Original
027:         * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
028:         * Microsystems, Inc. All Rights Reserved.
029:         *
030:         * If you wish your version of this file to be governed by only the CDDL
031:         * or only the GPL Version 2, indicate your decision by adding
032:         * "[Contributor] elects to include this software in this distribution
033:         * under the [CDDL or GPL Version 2] license." If you do not indicate a
034:         * single choice of license, a recipient has the option to distribute
035:         * your version of this file under either the CDDL, the GPL Version 2 or
036:         * to extend the choice of license to its licensees as provided above.
037:         * However, if you add GPL Version 2 code and therefore, elected the GPL
038:         * Version 2 license, then the option applies only if the new code is
039:         * made subject to such option by the copyright holder.
040:         */
041:        package org.netbeans.spi.xml.cookies;
042:
043:        import org.openide.ErrorManager;
044:        import org.openide.util.Lookup;
045:        import org.openide.util.NbBundle;
046:
047:        /**
048:         *
049:         * @author Libor Kramolis
050:         */
051:        class Util {
052:
053:            /** Default and only one instance of this class. */
054:            public static final Util THIS = new Util();
055:
056:            /** Nobody can create instance of it, just me. */
057:            private Util() {
058:            }
059:
060:            /** Cached package name. */
061:            private String packageName;
062:            /** Instance package ErrorManager. */
063:            private ErrorManager packageErrorManager;
064:            /** Default debug severity used with ErrorManager. */
065:            private static final int DEBUG_SEVERITY = ErrorManager.INFORMATIONAL;
066:
067:            /**
068:             * @return package name of this instance
069:             */
070:            private final synchronized String getPackageName() {
071:                if (packageName == null) {
072:                    //??? what for classed from default package? -> A: we do not have classes in default package!
073:                    packageName = this .getClass().getPackage().getName()
074:                            .intern();
075:                }
076:                return packageName;
077:            }
078:
079:            //
080:            // String localizing purposes
081:            //
082:
083:            /** 
084:             * Get localized string from package bundle.
085:             * @param key Key identifing localized value.
086:             * @return localized value.
087:             */
088:            public final String getString(String key) {
089:                if (key == null)
090:                    throw new NullPointerException();
091:                return NbBundle.getMessage(this .getClass(), key);
092:            }
093:
094:            /** 
095:             * Get localized string from package bundle.
096:             * @param key Key identifing localized value (<code>MessageFormat</code>).
097:             * @param param An argument <code>{0}</code> used for message parametrization.
098:             * @return localized value.
099:             */
100:            public final String getString(String key, Object param) {
101:                if (key == null)
102:                    throw new NullPointerException();
103:                return NbBundle.getMessage(this .getClass(), key, param);
104:            }
105:
106:            /**
107:             * Get localized string from package bundle.
108:             * @param key Key identifing localized value (<code>MessageFormat</code>).
109:             * @param param1 An argument <code>{0}</code> used for message parametrization.
110:             * @param param2 An argument <code>{1}</code> used for message parametrization.
111:             * @return Localized value.
112:             */
113:            public final String getString(String key, Object param1,
114:                    Object param2) {
115:                if (key == null)
116:                    throw new NullPointerException();
117:                return NbBundle
118:                        .getMessage(this .getClass(), key, param1, param2);
119:            }
120:
121:            /** 
122:             * Get localized character from package bundle. Usually used on mnemonic.
123:             * @param key Key identifing localized value.
124:             * @return localized value.
125:             */
126:            public final char getChar(String key) {
127:                if (key == null)
128:                    throw new NullPointerException();
129:                return NbBundle.getMessage(this .getClass(), key).charAt(0);
130:            }
131:
132:            //
133:            // Debugging purposes
134:            //
135:
136:            /**
137:             * Check whether running at loggable level.
138:             * @return true if <code>debug (...)</code> will log something.
139:             */
140:            public final boolean isLoggable() {
141:                return getErrorManager().isLoggable(DEBUG_SEVERITY);
142:            }
143:
144:            /**
145:             * Log a message if package log level passes.
146:             * @param message Message to log down. <code>null</code> is allowed
147:             *        but is not logged.
148:             */
149:            public final void debug(String message) {
150:                if (message == null)
151:                    return;
152:                getErrorManager().log(DEBUG_SEVERITY, message);
153:            }
154:
155:            /**
156:             * Always log a exception.
157:             * @param ex Exception to log down. <code>null</code> is allowed
158:             *           but is not logged.
159:             */
160:            public final void debug(Throwable ex) {
161:                if (ex == null)
162:                    return;
163:                getErrorManager().notify(DEBUG_SEVERITY, ex);
164:            }
165:
166:            /**
167:             * Always log an annotated exception.
168:             * @param message Message used for exception annotation or <code>null</code>.
169:             * @param ex Exception to log down. <code>null</code> is allowed
170:             *        but is not logged.
171:             */
172:            public final void debug(String message, Throwable ex) {
173:                if (ex == null)
174:                    return;
175:                if (message != null) {
176:                    ex = getErrorManager().annotate(ex, DEBUG_SEVERITY,
177:                            message, null, null, null);
178:                }
179:                debug(ex);
180:            }
181:
182:            /**
183:             * Provide an <code>ErrorManager</code> instance named per subclass package.
184:             * @return ErrorManager which is default for package where is class
185:             * declared .
186:             */
187:            public final synchronized ErrorManager getErrorManager() {
188:                if (packageErrorManager == null) {
189:                    String pack = getPackageName();
190:                    packageErrorManager = ErrorManager.getDefault()
191:                            .getInstance(pack);
192:                }
193:                return packageErrorManager;
194:            }
195:
196:        }
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