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1
16 package org.apache.myfaces.taglib;
17
18 import org.apache.myfaces.renderkit.JSFAttr;
19 import org.apache.myfaces.renderkit.RendererUtils;
20
21 import org.apache.commons.logging.Log;
22 import org.apache.commons.logging.LogFactory;
23
24 import javax.faces.component.UIComponent;
25 import javax.faces.webapp.UIComponentBodyTag;
26 import javax.servlet.jsp.JspException  ;
27 import javax.servlet.jsp.tagext.BodyContent ;
28 import java.io.IOException ;
29 import java.io.Reader ;
30
31
78 public abstract class UIComponentBodyTagBase
79 extends UIComponentBodyTag
80 {
81 private static final Log log = LogFactory.getLog(UIComponentBodyTagBase.class);
82
83 public int doEndTag() throws JspException
84 {
85 if (log.isWarnEnabled())
86 {
87 UIComponent component = getComponentInstance();
88 if (component != null &&
89 component.getRendersChildren() &&
90 !isBodyContentEmpty())
91 {
92 log.warn("Component with id '" + component.getClientId(getFacesContext()) +
93 "' (" + getClass().getName() +
94 " tag) and path : "+RendererUtils.getPathToComponent(component)+"renders it's children, but has embedded JSP or HTML code. Use the <f:verbatim> tag for nested HTML. For comments use <%/* */%> style JSP comments instead of <!-- --> style HTML comments." +
95 "\n BodyContent:\n" + getBodyContent().getString().trim());
96 }
97 }
98 return super.doEndTag();
99 }
100
101
104 private boolean isBodyContentEmpty()
105 {
106 BodyContent bodyContent = getBodyContent();
107 if (bodyContent == null)
108 {
109 return true;
110 }
111 try
112 {
113 Reader reader = bodyContent.getReader();
114 int c;
115 while ((c = reader.read()) != -1)
116 {
117 if (!Character.isWhitespace((char)c))
118 {
119 return false;
120 }
121 }
122 return true;
123 }
124 catch (IOException e)
125 {
126 log.error("Error inspecting BodyContent", e);
127 return false;
128 }
129 }
130
131
133 private String _forceId;
135 private String _forceIdIndex = "true";
136
137 private String _value;
139 private String _converter;
140
142 protected void setProperties(UIComponent component)
143 {
144 super.setProperties(component);
145
146 setBooleanProperty(component, JSFAttr.FORCE_ID_ATTR, _forceId);
147 setBooleanProperty(component, JSFAttr.FORCE_ID_INDEX_ATTR, _forceIdIndex);
148
149
151 setValueProperty(component, _value);
152 setConverterProperty(component, _converter);
153 }
154
155
162 public void setForceId(String aForceId)
163 {
164 _forceId = aForceId;
165 }
166
167
173 public void setForceIdIndex(String aForceIdIndex)
174 {
175 _forceIdIndex = aForceIdIndex;
176 }
177
178 public void setValue(String value)
179 {
180 _value = value;
181 }
182
183 public void setConverter(String converter)
184 {
185 _converter = converter;
186 }
187
188
189
190
192 protected void setIntegerProperty(UIComponent component, String propName, String value)
193 {
194 UIComponentTagUtils.setIntegerProperty(getFacesContext(), component, propName, value);
195 }
196
197 protected void setStringProperty(UIComponent component, String propName, String value)
198 {
199 UIComponentTagUtils.setStringProperty(getFacesContext(), component, propName, value);
200 }
201
202 protected void setBooleanProperty(UIComponent component, String propName, String value)
203 {
204 UIComponentTagUtils.setBooleanProperty(getFacesContext(), component, propName, value);
205 }
206
207 protected void setValueProperty(UIComponent component, String value)
208 {
209 UIComponentTagUtils.setValueProperty(getFacesContext(), component, value);
210 }
211
212 private void setConverterProperty(UIComponent component, String value)
213 {
214 UIComponentTagUtils.setConverterProperty(getFacesContext(), component, value);
215 }
216
217 protected void setValidatorProperty(UIComponent component, String value)
218 {
219 UIComponentTagUtils.setValidatorProperty(getFacesContext(), component, value);
220 }
221
222 protected void setActionProperty(UIComponent component, String action)
223 {
224 UIComponentTagUtils.setActionProperty(getFacesContext(), component, action);
225 }
226
227 protected void setActionListenerProperty(UIComponent component, String actionListener)
228 {
229 UIComponentTagUtils.setActionListenerProperty(getFacesContext(), component, actionListener);
230 }
231
232 protected void setValueChangedListenerProperty(UIComponent component, String valueChangedListener)
233 {
234 UIComponentTagUtils.setValueChangedListenerProperty(getFacesContext(), component, valueChangedListener);
235 }
236
237 protected void setValueBinding(UIComponent component,
238 String propName,
239 String value)
240 {
241 UIComponentTagUtils.setValueBinding(getFacesContext(), component, propName, value);
242 }
243
244 }
245 |
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