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16 package org.apache.cocoon.components.modules.input;
17
18 import org.apache.avalon.framework.configuration.Configuration;
19 import org.apache.avalon.framework.configuration.ConfigurationException;
20 import org.apache.avalon.framework.thread.ThreadSafe;
21
22 import org.apache.cocoon.util.JDBCTypeConversions;
23
24 import java.util.ArrayList  ;
25 import java.util.Map ;
26 import java.util.Iterator ;
27 import java.util.SortedSet ;
28 import java.util.TreeSet ;
29
30
50 public class CollectionMetaModule extends AbstractMetaModule implements ThreadSafe {
51
52 protected Configuration memberConf = null;
53
54
55 public void configure(Configuration config) throws ConfigurationException {
56
57 this.memberConf = config.getChild("member");
58 this.inputConf = config.getChild("input-module");
59 this.defaultInput = this.inputConf.getAttribute("name",this.defaultInput);
60 }
61
62
63 public Object getAttribute( String name, Configuration modeConf, Map objectModel )
64 throws ConfigurationException {
65
66 if (!this.initialized) {
67 this.lazy_initialize();
68 }
69 if (this.defaultInput == null) {
70 if (getLogger().isWarnEnabled())
71 getLogger().warn("No input module given. FAILING");
72 return null;
73 }
74
75 Configuration mConf = this.memberConf;
78 Configuration inputConfig = null;
79 String inputName=null;
80 if (modeConf!=null) {
81 mConf = modeConf.getChild("member");
82 inputName = modeConf.getChild("input-module").getAttribute("name",null);
83 if (inputName != null) {
84 inputConfig = modeConf.getChild("input-module");
85 }
86 }
87
88 String jType = mConf.getAttribute("type","string");
93 String pName = mConf.getAttribute("name");
94 int index = pName.indexOf("*");
95 if (index>-1) {
96 String prefix = (index > 0 ? pName.substring(0,index) : null);
97 String suffix = (index < (pName.length() -1) ? pName.substring(index+1,pName.length()) : null);
98 pName = prefix+name+suffix;
99 }
100
101 getLogger().debug("jType "+jType);
102
103 Object [] values = getValues(pName, objectModel,
104 this.input, this.defaultInput, this.inputConf,
105 null, inputName, inputConfig);
106 Object [] objects = null;
107
108 if (values != null) {
109
110 objects = new Object [values.length];
111
112 for (int i = 0; i<values.length; i++) {
113 Object value = values[i];
114 objects[i] = JDBCTypeConversions.convert(value, jType);
115 }
116 }
117
118 return objects;
119 }
120
121
122 public Iterator getAttributeNames( Configuration modeConf, Map objectModel )
123 throws ConfigurationException {
124
125 if (!this.initialized) {
126 this.lazy_initialize();
127 }
128 if (this.defaultInput == null) {
129 if (getLogger().isWarnEnabled())
130 getLogger().warn("No input module given. FAILING");
131 return null;
132 }
133
134
137 Configuration mConf = this.memberConf;
138 Configuration inputConfig = null;
139 String inputName=null;
140 if (modeConf!=null) {
141 mConf = modeConf.getChild("member");
142 inputName = modeConf.getChild("input-module").getAttribute("name",null);
143 if (inputName != null) {
144 inputConfig = modeConf.getChild("input-module");
145 }
146 }
147
148 Iterator names = getNames(objectModel,
149 this.input, this.defaultInput, this.inputConf,
150 null, inputName, inputConfig);
151
152 if (names != null) {
153 SortedSet matchset = new TreeSet ();
154 String pName = mConf.getAttribute("name");
155 int index = pName.indexOf("*");
156
157 if (index>-1) {
158
162 String prefix = (index > 0 ? pName.substring(0,index) : null);
163 String suffix = (index < (pName.length() -1) ? pName.substring(index+1,pName.length()) : null);
164
165 while (names.hasNext()) {
166 String name = (String )names.next();
167 if (name.startsWith(prefix) && name.endsWith(suffix)) {
168 String wildcard = name.substring(prefix.length());
169 wildcard = wildcard.substring(0,wildcard.length()-suffix.length());
170 matchset.add(wildcard);
171 }
172 }
173 } else {
174 boolean done=false;
178 while (!done && names.hasNext()) {
179 String name = (String )names.next();
180 if (name.equals(pName)) {
181 matchset.add(pName);
182 done = true;
183 }
184 }
185 }
186 return matchset.iterator();
187 } else {
188 return null;
189 }
190 }
191
192
193 public Object [] getAttributeValues( String name, Configuration modeConf, Map objectModel )
194 throws ConfigurationException {
195
196 Iterator names = this.getAttributeNames( modeConf, objectModel );
197 ArrayList values = new ArrayList ();
198 while (names.hasNext()) {
199 values.add(this.getAttribute((String ) names.next(),modeConf,objectModel));
200 }
201
202 return values.toArray();
203
204 }
205 }
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