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1
23
24 package org.apache.slide.projector.processor.tree;
25
26 import java.util.ArrayList  ;
27 import java.util.HashMap ;
28 import java.util.Iterator ;
29 import java.util.List ;
30 import java.util.Locale ;
31 import java.util.Map ;
32 import java.util.logging.Level ;
33 import java.util.logging.Logger ;
34
35 import org.apache.slide.projector.Context;
36 import org.apache.slide.projector.EnvironmentConsumer;
37 import org.apache.slide.projector.Processor;
38 import org.apache.slide.projector.Result;
39 import org.apache.slide.projector.Store;
40 import org.apache.slide.projector.descriptor.LocaleValueDescriptor;
41 import org.apache.slide.projector.descriptor.ParameterDescriptor;
42 import org.apache.slide.projector.descriptor.RequiredEnvironmentDescriptor;
43 import org.apache.slide.projector.descriptor.ResultDescriptor;
44 import org.apache.slide.projector.descriptor.ResultEntryDescriptor;
45 import org.apache.slide.projector.descriptor.StateDescriptor;
46 import org.apache.slide.projector.descriptor.StringValueDescriptor;
47 import org.apache.slide.projector.descriptor.TreeValueDescriptor;
48 import org.apache.slide.projector.engine.ProcessorManager;
49 import org.apache.slide.projector.i18n.DefaultMessage;
50 import org.apache.slide.projector.i18n.MessageManager;
51 import org.apache.slide.projector.i18n.MessageNotFoundException;
52 import org.apache.slide.projector.i18n.ParameterMessage;
53 import org.apache.slide.projector.processor.SimpleProcessor;
54 import org.apache.slide.projector.value.ArrayValue;
55 import org.apache.slide.projector.value.LocaleValue;
56 import org.apache.slide.projector.value.MapValue;
57 import org.apache.slide.projector.value.StringValue;
58 import org.apache.slide.projector.value.Value;
59
60
64 public class TreeLocalizer implements Processor, EnvironmentConsumer {
65 private static Logger logger = Logger.getLogger(TreeLocalizer.class.getName());
66
67 public final static String LOCALE = "locale";
68
69 protected final static String IMAGE_IDENTIFIER = "image";
70
71 private final static ParameterDescriptor[] parameterDescriptors = new ParameterDescriptor[] {
72 new ParameterDescriptor(SimpleProcessor.INPUT, new ParameterMessage("treeLocalizer/input"), new TreeValueDescriptor(new StringValueDescriptor()))
73 };
74
75 private final static ResultDescriptor resultDescriptor = new ResultDescriptor(
76 new StateDescriptor[] { StateDescriptor.OK_DESCRIPTOR },
77 new ResultEntryDescriptor[] {
78 new ResultEntryDescriptor(SimpleProcessor.OUTPUT, new DefaultMessage("treeLocalizer/output"), ArrayValue.CONTENT_TYPE, false)
79 });
80
81 private final static RequiredEnvironmentDescriptor[] requiredEnvironmentDescriptors = new RequiredEnvironmentDescriptor[] {
82 new RequiredEnvironmentDescriptor(LOCALE, Store.SESSION, new DefaultMessage("treeLocalized/requiredEnvironment/locale"), new LocaleValueDescriptor(), new LocaleValue(Locale.getDefault()))
83 };
84
85 public Result process(Map parameter, Context context) throws Exception {
86 Value []resources = ((ArrayValue)parameter.get(SimpleProcessor.INPUT)).getArray();
87 Locale locale = ((LocaleValue)context.getStore(Store.SESSION).get(LOCALE)).getLocale();
88 return new Result(StateDescriptor.OK, SimpleProcessor.OUTPUT, localize(resources, locale, context));
89 }
90
91 private ArrayValue localize(Value []resources, Locale locale, Context context) throws Exception {
92 List localizedResources = new ArrayList ();
93 for ( int i = 0; i < resources.length; i++ ) {
94 if ( resources[i] instanceof StringValue ) {
95 Map localizedMap = new HashMap ();
96 try {
97 localizedMap.put(TreeRenderer.ID, ProcessorManager.getInstance().process(ProcessorManager.URL, resources[i], context));
98 Map entries = MessageManager.getEntries(((StringValue)resources[i]).toString(), locale);
99 for ( Iterator j = entries.entrySet().iterator(); j.hasNext(); ) {
100 Map.Entry entry = (Map.Entry )j.next();
101 String key = (String )entry.getKey();
102 String value = (String )entry.getValue();
103 if ( key.startsWith(IMAGE_IDENTIFIER) ) {
104 key = key.substring(IMAGE_IDENTIFIER.length()+1);
105 localizedMap.put(key, ProcessorManager.getInstance().process(ProcessorManager.BINARY, value, "url", context));
106 } else {
107 localizedMap.put(key, new StringValue(value));
108 }
109 }
110 } catch ( MessageNotFoundException exception ) {
111 logger.log(Level.SEVERE, "No message found while localizing tree", exception);
112 }
113 localizedResources.add(new MapValue(localizedMap));
114 } else if ( resources[i] instanceof ArrayValue ) {
115 localizedResources.add(localize(((ArrayValue)resources[i]).getArray(), locale, context));
116 }
117 }
118 Value[] localizedResourceArray = new Value[localizedResources.size()];
119 return new ArrayValue((Value [])localizedResources.toArray(localizedResourceArray));
120 }
121
122 public ParameterDescriptor[] getParameterDescriptors() {
123 return parameterDescriptors;
124 }
125
126 public ResultDescriptor getResultDescriptor() {
127 return resultDescriptor;
128 }
129
130 public RequiredEnvironmentDescriptor[] getRequiredEnvironmentDescriptors() {
131 return requiredEnvironmentDescriptors;
132 }
133 }
134 |
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