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1
31
32 package org.opencms.loader;
33
34 import org.opencms.file.CmsFile;
35 import org.opencms.file.CmsObject;
36 import org.opencms.file.CmsResource;
37 import org.opencms.main.CmsException;
38 import org.opencms.main.CmsLog;
39 import org.opencms.main.CmsRuntimeException;
40 import org.opencms.main.OpenCms;
41 import org.opencms.util.CmsStringUtil;
42
43 import java.io.IOException  ;
44 import java.util.Locale ;
45 import java.util.Map ;
46
47 import javax.servlet.ServletRequest ;
48 import javax.servlet.ServletResponse ;
49 import javax.servlet.http.HttpServletRequest ;
50 import javax.servlet.http.HttpServletResponse ;
51
52
61 public class CmsPointerLoader implements I_CmsResourceLoader {
62
63
64 public static final int RESOURCE_LOADER_ID = 4;
65
66
67 private static String EXPORT_PREFIX = "<html>\n<head>\n<meta http-equiv="
68 + '"'
69 + "refresh"
70 + '"'
71 + " content="
72 + '"'
73 + "0; url=";
74
75
76 private static String EXPORT_SUFFIX = '"' + ">\n</head>\n<body></body>\n</html>";
77
78
81 public CmsPointerLoader() {
82
83 }
85
86
89 public void addConfigurationParameter(String paramName, String paramValue) {
90
91 }
93
94
97 public void destroy() {
98
99 }
101
102
105 public byte[] dump(
106 CmsObject cms,
107 CmsResource resource,
108 String element,
109 Locale locale,
110 HttpServletRequest req,
111 HttpServletResponse res) throws CmsException {
112
113 return CmsFile.upgrade(resource, cms).getContents();
114 }
115
116
119 public byte[] export(CmsObject cms, CmsResource resource, HttpServletRequest req, HttpServletResponse res)
120 throws IOException , CmsException {
121
122 String pointer = new String (CmsFile.upgrade(resource, cms).getContents());
123 StringBuffer result = new StringBuffer (128);
124 result.append(EXPORT_PREFIX);
125 if (pointer.indexOf(':') < 0) {
126 result.append(OpenCms.getLinkManager().substituteLink(cms, pointer));
127 } else {
128 result.append(pointer);
129 }
130 result.append(EXPORT_SUFFIX);
131 load(cms, resource, req, res);
132 return result.toString().getBytes(OpenCms.getSystemInfo().getDefaultEncoding());
133 }
134
135
141 public Map getConfiguration() {
142
143 return null;
144 }
145
146
149 public int getLoaderId() {
150
151 return RESOURCE_LOADER_ID;
152 }
153
154
161 public String getResourceLoaderInfo() {
162
163 return Messages.get().getBundle().key(Messages.GUI_LOADER_POINTER_DEFAULT_DESC_0);
164 }
165
166
169 public void initConfiguration() {
170
171 if (CmsLog.INIT.isInfoEnabled()) {
172 CmsLog.INIT.info(Messages.get().getBundle().key(
173 Messages.INIT_LOADER_INITIALIZED_1,
174 this.getClass().getName()));
175 }
176 }
177
178
181 public boolean isStaticExportEnabled() {
182
183 return true;
184 }
185
186
189 public boolean isStaticExportProcessable() {
190
191 return false;
192 }
193
194
197 public boolean isUsableForTemplates() {
198
199 return false;
200 }
201
202
205 public boolean isUsingUriWhenLoadingTemplate() {
206
207 return false;
208 }
209
210
213 public void load(CmsObject cms, CmsResource resource, HttpServletRequest req, HttpServletResponse res)
214 throws IOException , CmsException {
215
216 if (res == null || res.isCommitted()) {
217 return;
219 }
220
221 String pointer = new String (CmsFile.upgrade(resource, cms).getContents());
222 if (CmsStringUtil.isEmptyOrWhitespaceOnly(pointer)) {
223 throw new CmsLoaderException(Messages.get().container(
224 Messages.ERR_INVALID_POINTER_FILE_1,
225 resource.getName()));
226 }
227 if (pointer.indexOf(':') < 0) {
228 pointer = OpenCms.getLinkManager().substituteLink(cms, pointer);
229 }
230
231 res.sendRedirect(pointer);
232 }
233
234
237 public void service(CmsObject cms, CmsResource file, ServletRequest req, ServletResponse res) {
238
239 throw new CmsRuntimeException(
240 Messages.get().container(Messages.ERR_SERVICE_UNSUPPORTED_1, getClass().getName()));
241 }
242 } |
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