| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.cocoon.portal.pluto.om.common; |
| |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import javax.portlet.PreferencesValidator; |
| |
| import org.apache.pluto.om.common.Preference; |
| import org.apache.pluto.om.common.PreferenceSet; |
| import org.apache.pluto.om.common.PreferenceSetCtrl; |
| import org.apache.pluto.util.StringUtils; |
| |
| /** |
| * |
| * |
| * @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a> |
| * |
| * @version CVS $Id$ |
| */ |
| public class PreferenceSetImpl |
| implements PreferenceSet, PreferenceSetCtrl, java.io.Serializable { |
| |
| private String castorPreferencesValidator; |
| private ClassLoader classLoader; |
| private Set preferences = new HashSet(); |
| |
| /** |
| * @see org.apache.pluto.om.common.PreferenceSet#get(java.lang.String) |
| */ |
| public Preference get(String name) { |
| Iterator iterator = this.preferences.iterator(); |
| while (iterator.hasNext()) { |
| Preference preference = (Preference)iterator.next(); |
| if (preference.getName().equals(name)) { |
| return preference; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.apache.pluto.om.common.PreferenceSet#iterator() |
| */ |
| public Iterator iterator() { |
| return this.preferences.iterator(); |
| } |
| |
| /** |
| * @see org.apache.pluto.om.common.PreferenceSet#getPreferencesValidator() |
| */ |
| public PreferencesValidator getPreferencesValidator() { |
| if (this.classLoader == null) |
| throw new IllegalStateException("Portlet class loader not yet available to load preferences validator."); |
| |
| if (castorPreferencesValidator == null) |
| return null; |
| |
| try { |
| Object validator = classLoader.loadClass(castorPreferencesValidator).newInstance(); |
| if (validator instanceof PreferencesValidator) { |
| return(PreferencesValidator)validator; |
| } |
| } catch (Exception ignore) { |
| // ignore it |
| } |
| |
| return null; |
| } |
| |
| /** |
| * @see org.apache.pluto.om.common.PreferenceSetCtrl#add(java.lang.String, java.util.List) |
| */ |
| public Preference add(String name, List values) { |
| PreferenceImpl preference = new PreferenceImpl(); |
| preference.setName(name); |
| preference.setValues(values); |
| |
| this.preferences.add(preference); |
| |
| return preference; |
| } |
| |
| public boolean add(Preference preference) { |
| return this.preferences.add(preference); |
| } |
| |
| /** |
| * @see org.apache.pluto.om.common.PreferenceSetCtrl#remove(java.lang.String) |
| */ |
| public Preference remove(String name) { |
| Iterator iterator = this.iterator(); |
| while (iterator.hasNext()) { |
| Preference preference = (Preference)iterator.next(); |
| if (preference.getName().equals(name)) { |
| this.preferences.remove(preference); |
| return preference; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.apache.pluto.om.common.PreferenceSetCtrl#remove(org.apache.pluto.om.common.Preference) |
| */ |
| public void remove(Preference preference) { |
| this.preferences.remove(preference); |
| } |
| |
| /** |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() { |
| StringBuffer buffer = new StringBuffer(50); |
| buffer.append(StringUtils.lineSeparator); |
| buffer.append(getClass().toString()); |
| buffer.append(": "); |
| Iterator iterator = this.iterator(); |
| while (iterator.hasNext()) { |
| buffer.append(((PreferenceImpl)iterator.next()).toString(2)); |
| } |
| return buffer.toString(); |
| } |
| |
| |
| // additional internal methods |
| |
| public String getCastorPreferencesValidator() { |
| return castorPreferencesValidator; |
| } |
| |
| public void setCastorPreferencesValidator(String castorPreferencesValidator) { |
| this.castorPreferencesValidator = castorPreferencesValidator; |
| } |
| |
| public Set getPreferences() { |
| return this.preferences; |
| } |
| |
| public void setClassLoader(ClassLoader loader) { |
| this.classLoader = loader; |
| } |
| |
| /** |
| * Makes a deep copy. |
| * @see java.util.Collection#addAll(Collection) |
| */ |
| public boolean addAll(Collection c) { |
| boolean changed = false; |
| Iterator it = c.iterator(); |
| while (it.hasNext()) { |
| changed = true; |
| PreferenceImpl pref = (PreferenceImpl) it.next(); |
| this.add(pref.getName(), pref.getClonedCastorValuesAsList()); |
| } |
| |
| return changed; |
| } |
| |
| } |