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17 package org.seasar.cubby.tags;
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19 import java.io.Serializable;
20 import java.util.ArrayList;
21 import java.util.HashMap;
22 import java.util.List;
23 import java.util.Map;
24 import java.util.Map.Entry;
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26 import javax.servlet.jsp.JspTagException;
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28 import org.seasar.cubby.routing.PathResolver;
29 import org.seasar.cubby.spi.PathResolverProvider;
30 import org.seasar.cubby.spi.ProviderFactory;
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37 class LinkSupport implements Serializable {
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40 private static final long serialVersionUID = 1L;
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43 private String actionClassName;
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46 private String actionMethodName;
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49 private final Map<String, List<String>> parameters = new HashMap<String, List<String>>();
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57 public void setActionClassName(final String actionClassName) {
58 this.actionClassName = actionClassName;
59 }
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67 public void setActionMethodName(final String actionMethodName) {
68 this.actionMethodName = actionMethodName;
69 }
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79 public void addParameter(final String name, final String value) {
80 if (!parameters.containsKey(name)) {
81 parameters.put(name, new ArrayList<String>());
82 }
83 final List<String> values = parameters.get(name);
84 values.add(value);
85 }
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92 public Map<String, String[]> getParameters() {
93 final Map<String, String[]> parameters = new HashMap<String, String[]>();
94 for (final Entry<String, List<String>> entry : this.parameters
95 .entrySet()) {
96 parameters.put(entry.getKey(), entry.getValue().toArray(
97 new String[0]));
98 }
99 return parameters;
100 }
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114 public String getPath(final String characterEncoding)
115 throws JspTagException {
116 final Class<?> actionClass;
117 try {
118 actionClass = forName(actionClassName);
119 } catch (final ClassNotFoundException e) {
120 throw new JspTagException(e);
121 }
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123 final PathResolverProvider pathResolverProvider = ProviderFactory
124 .get(PathResolverProvider.class);
125 final PathResolver pathResolver = pathResolverProvider
126 .getPathResolver();
127 final String path = pathResolver.reverseLookup(actionClass,
128 actionMethodName, getParameters(), characterEncoding);
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130 return path;
131 }
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138 public boolean isLinkable() {
139 return actionClassName != null && actionMethodName != null;
140 }
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153 @SuppressWarnings("unchecked")
154 private static <T> Class<T> forName(final String className)
155 throws ClassNotFoundException {
156 return (Class<T>) Class.forName(className);
157 }
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162 public void clear() {
163 this.actionClassName = null;
164 this.actionMethodName = null;
165 this.parameters.clear();
166 }
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168 }