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16 package org.apache.cocoon.portal.pluto.om.common;
17
18 import java.util.Collection  ;
19 import java.util.HashSet ;
20 import java.util.Iterator ;
21 import java.util.List ;
22 import java.util.Set ;
23
24 import javax.portlet.PreferencesValidator;
25
26 import org.apache.pluto.om.common.Preference;
27 import org.apache.pluto.om.common.PreferenceSet;
28 import org.apache.pluto.om.common.PreferenceSetCtrl;
29 import org.apache.pluto.util.StringUtils;
30
31
38 public class PreferenceSetImpl
39 implements PreferenceSet, PreferenceSetCtrl, java.io.Serializable {
40
41 private String castorPreferencesValidator;
42 private ClassLoader classLoader;
43 private Set preferences = new HashSet ();
44
45
48 public Preference get(String name) {
49 Iterator iterator = this.preferences.iterator();
50 while (iterator.hasNext()) {
51 Preference preference = (Preference)iterator.next();
52 if (preference.getName().equals(name)) {
53 return preference;
54 }
55 }
56 return null;
57 }
58
59
62 public Iterator iterator() {
63 return this.preferences.iterator();
64 }
65
66
69 public PreferencesValidator getPreferencesValidator() {
70 if (this.classLoader == null)
71 throw new IllegalStateException ("Portlet class loader not yet available to load preferences validator.");
72
73 if (castorPreferencesValidator == null)
74 return null;
75
76 try {
77 Object validator = classLoader.loadClass(castorPreferencesValidator).newInstance();
78 if (validator instanceof PreferencesValidator) {
79 return(PreferencesValidator)validator;
80 }
81 } catch (Exception ignore) {
82 }
84
85 return null;
86 }
87
88
91 public Preference add(String name, List values) {
92 PreferenceImpl preference = new PreferenceImpl();
93 preference.setName(name);
94 preference.setValues(values);
95
96 this.preferences.add(preference);
97
98 return preference;
99 }
100
101 public boolean add(Preference preference) {
102 return this.preferences.add(preference);
103 }
104
105
108 public Preference remove(String name) {
109 Iterator iterator = this.iterator();
110 while (iterator.hasNext()) {
111 Preference preference = (Preference)iterator.next();
112 if (preference.getName().equals(name)) {
113 this.preferences.remove(preference);
114 return preference;
115 }
116 }
117 return null;
118 }
119
120
123 public void remove(Preference preference) {
124 this.preferences.remove(preference);
125 }
126
127
130 public String toString() {
131 StringBuffer buffer = new StringBuffer (50);
132 buffer.append(StringUtils.lineSeparator);
133 buffer.append(getClass().toString());
134 buffer.append(": ");
135 Iterator iterator = this.iterator();
136 while (iterator.hasNext()) {
137 buffer.append(((PreferenceImpl)iterator.next()).toString(2));
138 }
139 return buffer.toString();
140 }
141
142
143
145 public String getCastorPreferencesValidator() {
146 return castorPreferencesValidator;
147 }
148
149 public void setCastorPreferencesValidator(String castorPreferencesValidator) {
150 this.castorPreferencesValidator = castorPreferencesValidator;
151 }
152
153 public Set getPreferences() {
154 return this.preferences;
155 }
156
157 public void setClassLoader(ClassLoader loader) {
158 this.classLoader = loader;
159 }
160
161
165 public boolean addAll(Collection c) {
166 boolean changed = false;
167 Iterator it = c.iterator();
168 while (it.hasNext()) {
169 changed = true;
170 PreferenceImpl pref = (PreferenceImpl) it.next();
171 this.add(pref.getName(), pref.getClonedCastorValuesAsList());
172 }
173
174 return changed;
175 }
176
177 }
178 |
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