1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19 package org.apache.myfaces.resource;
20
21 import java.io.InputStream;
22 import java.net.URL;
23
24 import javax.faces.application.ProjectStage;
25 import javax.faces.context.FacesContext;
26
27 import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFWebConfigParam;
28 import org.apache.myfaces.shared.resource.AliasResourceMetaImpl;
29 import org.apache.myfaces.shared.resource.ResourceLoader;
30 import org.apache.myfaces.shared.resource.ResourceMeta;
31 import org.apache.myfaces.shared.resource.ResourceMetaImpl;
32 import org.apache.myfaces.shared.util.ClassUtils;
33 import org.apache.myfaces.shared.util.WebConfigParamUtils;
34 import org.apache.myfaces.shared.renderkit.html.util.ResourceUtils;
35
36
37
38
39 public class InternalClassLoaderResourceLoader extends ResourceLoader
40 {
41
42
43
44
45
46
47
48 @JSFWebConfigParam(since = "2.0.1", defaultValue = "false", expectedValues = "true,false", group = "render")
49 public static final String USE_MULTIPLE_JS_FILES_FOR_JSF_UNCOMPRESSED_JS
50 = "org.apache.myfaces.USE_MULTIPLE_JS_FILES_FOR_JSF_UNCOMPRESSED_JS";
51
52
53
54
55
56
57
58
59
60
61
62
63 @JSFWebConfigParam(since = "2.0.10,2.1.4", defaultValue = "normal",
64 expectedValues = "normal, minimal-modern, minimal", group = "render")
65 public static final String MYFACES_JSF_MODE = "org.apache.myfaces.JSF_JS_MODE";
66
67 private final boolean _useMultipleJsFilesForJsfUncompressedJs;
68 private final String _jsfMode;
69 private final boolean _developmentStage;
70
71 public InternalClassLoaderResourceLoader(String prefix)
72 {
73 super(prefix);
74 _useMultipleJsFilesForJsfUncompressedJs
75 = WebConfigParamUtils.getBooleanInitParameter(FacesContext.getCurrentInstance().getExternalContext(),
76 USE_MULTIPLE_JS_FILES_FOR_JSF_UNCOMPRESSED_JS, false);
77
78 _jsfMode = WebConfigParamUtils.getStringInitParameter(FacesContext.getCurrentInstance().getExternalContext(),
79 MYFACES_JSF_MODE, ResourceUtils.JSF_MYFACES_JSFJS_NORMAL);
80 _developmentStage = FacesContext.getCurrentInstance().isProjectStage(ProjectStage.Development);
81 }
82
83 @Override
84 public String getLibraryVersion(String path)
85 {
86 return null;
87 }
88
89 @Override
90 public InputStream getResourceInputStream(ResourceMeta resourceMeta)
91 {
92 InputStream is;
93 if (getPrefix() != null && !"".equals(getPrefix()))
94 {
95 String name = getPrefix() + '/' + resourceMeta.getResourceIdentifier();
96 is = getClassLoader().getResourceAsStream(name);
97 if (is == null)
98 {
99 is = this.getClass().getClassLoader().getResourceAsStream(name);
100 }
101 return is;
102 }
103 else
104 {
105 is = getClassLoader().getResourceAsStream(resourceMeta.getResourceIdentifier());
106 if (is == null)
107 {
108 is = this.getClass().getClassLoader().getResourceAsStream(resourceMeta.getResourceIdentifier());
109 }
110 return is;
111 }
112 }
113
114 @Override
115 public URL getResourceURL(ResourceMeta resourceMeta)
116 {
117 URL url;
118 if (getPrefix() != null && !"".equals(getPrefix()))
119 {
120 String name = getPrefix() + '/' + resourceMeta.getResourceIdentifier();
121 url = getClassLoader().getResource(name);
122 if (url == null)
123 {
124 url = this.getClass().getClassLoader().getResource(name);
125 }
126 return url;
127 }
128 else
129 {
130 url = getClassLoader().getResource(resourceMeta.getResourceIdentifier());
131 if (url == null)
132 {
133 url = this.getClass().getClassLoader().getResource(resourceMeta.getResourceIdentifier());
134 }
135 return url;
136 }
137 }
138
139 @Override
140 public String getResourceVersion(String path)
141 {
142 return null;
143 }
144
145 @Override
146 public ResourceMeta createResourceMeta(String prefix, String libraryName, String libraryVersion,
147 String resourceName, String resourceVersion)
148 {
149
150 final boolean javaxFacesLib = libraryName != null &&
151 ResourceUtils.JAVAX_FACES_LIBRARY_NAME.equals(libraryName);
152 final boolean javaxFaces = javaxFacesLib &&
153 ResourceUtils.JSF_JS_RESOURCE_NAME.equals(resourceName);
154
155 if (javaxFaces)
156 {
157 if (_developmentStage)
158 {
159 if (_useMultipleJsFilesForJsfUncompressedJs)
160 {
161 return new AliasResourceMetaImpl(prefix, libraryName, libraryVersion,
162 resourceName, resourceVersion, ResourceUtils.JSF_UNCOMPRESSED_JS_RESOURCE_NAME, true);
163 }
164 else
165 {
166
167
168
169
170 return new AliasResourceMetaImpl(prefix, libraryName, libraryVersion, resourceName, resourceVersion,
171 "jsf-uncompressed-full.js", false);
172 }
173 }
174 else if (_jsfMode.equals(ResourceUtils.JSF_MYFACES_JSFJS_MINIMAL) )
175 {
176 return new AliasResourceMetaImpl(prefix, libraryName, libraryVersion, resourceName, resourceVersion,
177 ResourceUtils.JSF_MINIMAL_JS_RESOURCE_NAME, false);
178 }
179 else if (_jsfMode.equals(ResourceUtils.JSF_MYFACES_JSFJS_MINIMAL_MODERN) )
180 {
181 return new AliasResourceMetaImpl(prefix, libraryName, libraryVersion, resourceName, resourceVersion,
182 ResourceUtils.JSF_MINIMAL_MODERN_JS_RESOURCE_NAME, false);
183 }
184 else
185 {
186 return null;
187 }
188 }
189 else if (javaxFacesLib && !_developmentStage && !_jsfMode.equals(ResourceUtils.JSF_MYFACES_JSFJS_NORMAL) &&
190 (ResourceUtils.JSF_MYFACES_JSFJS_I18N.equals(resourceName) ||
191 ResourceUtils.JSF_MYFACES_JSFJS_EXPERIMENTAL.equals(resourceName) ||
192 ResourceUtils.JSF_MYFACES_JSFJS_LEGACY.equals(resourceName)) )
193 {
194 return new ResourceMetaImpl(prefix, libraryName, libraryVersion, resourceName, resourceVersion);
195 }
196 else if (_developmentStage && libraryName != null &&
197 ResourceUtils.MYFACES_LIBRARY_NAME.equals(libraryName) &&
198 ResourceUtils.MYFACES_JS_RESOURCE_NAME.equals(resourceName))
199 {
200
201 return new AliasResourceMetaImpl(prefix, libraryName, libraryVersion,
202 resourceName, resourceVersion, ResourceUtils.MYFACES_JS_RESOURCE_NAME_UNCOMPRESSED, true);
203 }
204 else if (_developmentStage && libraryName != null && libraryName.startsWith("org.apache.myfaces.core"))
205 {
206 return new ResourceMetaImpl(prefix, libraryName, libraryVersion, resourceName, resourceVersion);
207 }
208 else
209 {
210 return null;
211 }
212 }
213
214
215
216
217
218
219
220 protected ClassLoader getClassLoader()
221 {
222 return ClassUtils.getContextClassLoader();
223 }
224
225 @Override
226 public boolean libraryExists(String libraryName)
227 {
228 if (getPrefix() != null && !"".equals(getPrefix()))
229 {
230 URL url = getClassLoader().getResource(getPrefix() + '/' + libraryName);
231 if (url == null)
232 {
233 url = this.getClass().getClassLoader().getResource(getPrefix() + '/' + libraryName);
234 }
235 if (url != null)
236 {
237 return true;
238 }
239 }
240 else
241 {
242 URL url = getClassLoader().getResource(libraryName);
243 if (url == null)
244 {
245 url = this.getClass().getClassLoader().getResource(libraryName);
246 }
247 if (url != null)
248 {
249 return true;
250 }
251 }
252 return false;
253 }
254
255 }