001    /*
002     * JBoss DNA (http://www.jboss.org/dna)
003     * See the COPYRIGHT.txt file distributed with this work for information
004     * regarding copyright ownership.  Some portions may be licensed
005     * to Red Hat, Inc. under one or more contributor license agreements.
006     * See the AUTHORS.txt file in the distribution for a full listing of 
007     * individual contributors. 
008     *
009     * JBoss DNA is free software. Unless otherwise indicated, all code in JBoss DNA
010     * is licensed to you under the terms of the GNU Lesser General Public License as
011     * published by the Free Software Foundation; either version 2.1 of
012     * the License, or (at your option) any later version.
013     *
014     * JBoss DNA is distributed in the hope that it will be useful,
015     * but WITHOUT ANY WARRANTY; without even the implied warranty of
016     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
017     * Lesser General Public License for more details.
018     *
019     * You should have received a copy of the GNU Lesser General Public
020     * License along with this software; if not, write to the Free
021     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
022     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
023     */
024    package org.jboss.dna.common.collection;
025    
026    import java.util.Collections;
027    import java.util.Iterator;
028    import java.util.List;
029    import org.jboss.dna.common.i18n.I18n;
030    
031    /**
032     * A list of problems for some execution context. The problems will be {@link #iterator() returned} in the order in which they
033     * were encountered (although this cannot be guaranteed in contexts involving multiple threads or processes).
034     * 
035     * @author Randall Hauch
036     * @author John Verhaeg
037     */
038    public abstract class AbstractProblems implements Problems {
039    
040        protected static final List<Problem> EMPTY_PROBLEMS = Collections.emptyList();
041    
042        public void addError( I18n message,
043                              Object... params ) {
044            addProblem(new Problem(Problem.Status.ERROR, Problem.DEFAULT_CODE, message, params, null, null, null));
045        }
046    
047        public void addError( Throwable throwable,
048                              I18n message,
049                              Object... params ) {
050            addProblem(new Problem(Problem.Status.ERROR, Problem.DEFAULT_CODE, message, params, null, null, throwable));
051        }
052    
053        public void addError( I18n message,
054                              String resource,
055                              String location,
056                              Object... params ) {
057            addProblem(new Problem(Problem.Status.ERROR, Problem.DEFAULT_CODE, message, params, resource, location, null));
058        }
059    
060        public void addError( Throwable throwable,
061                              I18n message,
062                              String resource,
063                              String location,
064                              Object... params ) {
065            addProblem(new Problem(Problem.Status.ERROR, Problem.DEFAULT_CODE, message, params, resource, location, throwable));
066        }
067    
068        public void addError( int code,
069                              I18n message,
070                              Object... params ) {
071            addProblem(new Problem(Problem.Status.ERROR, code, message, params, null, null, null));
072        }
073    
074        public void addError( Throwable throwable,
075                              int code,
076                              I18n message,
077                              Object... params ) {
078            addProblem(new Problem(Problem.Status.ERROR, code, message, params, null, null, throwable));
079        }
080    
081        public void addError( int code,
082                              I18n message,
083                              String resource,
084                              String location,
085                              Object... params ) {
086            addProblem(new Problem(Problem.Status.ERROR, code, message, params, resource, location, null));
087        }
088    
089        public void addError( Throwable throwable,
090                              int code,
091                              I18n message,
092                              String resource,
093                              String location,
094                              Object... params ) {
095            addProblem(new Problem(Problem.Status.ERROR, code, message, params, resource, location, throwable));
096        }
097    
098        public void addWarning( I18n message,
099                                Object... params ) {
100            addProblem(new Problem(Problem.Status.WARNING, Problem.DEFAULT_CODE, message, params, null, null, null));
101        }
102    
103        public void addWarning( Throwable throwable,
104                                I18n message,
105                                Object... params ) {
106            addProblem(new Problem(Problem.Status.WARNING, Problem.DEFAULT_CODE, message, params, null, null, throwable));
107        }
108    
109        public void addWarning( I18n message,
110                                String resource,
111                                String location,
112                                Object... params ) {
113            addProblem(new Problem(Problem.Status.WARNING, Problem.DEFAULT_CODE, message, params, resource, location, null));
114        }
115    
116        public void addWarning( Throwable throwable,
117                                I18n message,
118                                String resource,
119                                String location,
120                                Object... params ) {
121            addProblem(new Problem(Problem.Status.WARNING, Problem.DEFAULT_CODE, message, params, resource, location, throwable));
122        }
123    
124        public void addWarning( int code,
125                                I18n message,
126                                Object... params ) {
127            addProblem(new Problem(Problem.Status.WARNING, code, message, params, null, null, null));
128        }
129    
130        public void addWarning( Throwable throwable,
131                                int code,
132                                I18n message,
133                                Object... params ) {
134            addProblem(new Problem(Problem.Status.WARNING, code, message, params, null, null, throwable));
135        }
136    
137        public void addWarning( int code,
138                                I18n message,
139                                String resource,
140                                String location,
141                                Object... params ) {
142            addProblem(new Problem(Problem.Status.WARNING, code, message, params, resource, location, null));
143        }
144    
145        public void addWarning( Throwable throwable,
146                                int code,
147                                I18n message,
148                                String resource,
149                                String location,
150                                Object... params ) {
151            addProblem(new Problem(Problem.Status.WARNING, code, message, params, resource, location, throwable));
152        }
153    
154        public void addInfo( I18n message,
155                             Object... params ) {
156            addProblem(new Problem(Problem.Status.INFO, Problem.DEFAULT_CODE, message, params, null, null, null));
157        }
158    
159        public void addInfo( Throwable throwable,
160                             I18n message,
161                             Object... params ) {
162            addProblem(new Problem(Problem.Status.INFO, Problem.DEFAULT_CODE, message, params, null, null, throwable));
163        }
164    
165        public void addInfo( I18n message,
166                             String resource,
167                             String location,
168                             Object... params ) {
169            addProblem(new Problem(Problem.Status.INFO, Problem.DEFAULT_CODE, message, params, resource, location, null));
170        }
171    
172        public void addInfo( Throwable throwable,
173                             I18n message,
174                             String resource,
175                             String location,
176                             Object... params ) {
177            addProblem(new Problem(Problem.Status.INFO, Problem.DEFAULT_CODE, message, params, resource, location, throwable));
178        }
179    
180        public void addInfo( int code,
181                             I18n message,
182                             Object... params ) {
183            addProblem(new Problem(Problem.Status.INFO, code, message, params, null, null, null));
184        }
185    
186        public void addInfo( Throwable throwable,
187                             int code,
188                             I18n message,
189                             Object... params ) {
190            addProblem(new Problem(Problem.Status.INFO, code, message, params, null, null, throwable));
191        }
192    
193        public void addInfo( int code,
194                             I18n message,
195                             String resource,
196                             String location,
197                             Object... params ) {
198            addProblem(new Problem(Problem.Status.INFO, code, message, params, resource, location, null));
199        }
200    
201        public void addInfo( Throwable throwable,
202                             int code,
203                             I18n message,
204                             String resource,
205                             String location,
206                             Object... params ) {
207            addProblem(new Problem(Problem.Status.INFO, code, message, params, resource, location, throwable));
208        }
209    
210        public boolean hasProblems() {
211            return getProblems().size() > 0;
212        }
213    
214        public boolean hasErrors() {
215            for (Problem problem : this.getProblems()) {
216                if (problem.getStatus() == Problem.Status.ERROR) return true;
217            }
218            return false;
219        }
220    
221        public boolean hasWarnings() {
222            for (Problem problem : this.getProblems()) {
223                if (problem.getStatus() == Problem.Status.WARNING) return true;
224            }
225            return false;
226        }
227    
228        public boolean hasInfo() {
229            for (Problem problem : this.getProblems()) {
230                if (problem.getStatus() == Problem.Status.INFO) return true;
231            }
232            return false;
233        }
234    
235        public boolean isEmpty() {
236            return getProblems().isEmpty();
237        }
238    
239        public int size() {
240            return getProblems().size();
241        }
242    
243        /**
244         * {@inheritDoc}
245         * 
246         * @see org.jboss.dna.common.collection.Problems#iterator()
247         */
248        public Iterator<Problem> iterator() {
249            return getProblems().iterator();
250        }
251    
252        protected abstract void addProblem( Problem problem );
253    
254        protected abstract List<Problem> getProblems();
255    }