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37 package net.sourceforge.cruisecontrol.taglib;
38
39 import java.io.File  ;
40 import java.io.FilenameFilter ;
41 import java.util.Arrays ;
42 import java.util.Enumeration ;
43 import java.util.Locale ;
44
45 import javax.servlet.ServletRequest ;
46 import javax.servlet.http.HttpServletRequest ;
47 import javax.servlet.jsp.JspException ;
48 import javax.servlet.jsp.PageContext ;
49 import javax.servlet.jsp.tagext.TagSupport ;
50
51 import net.sourceforge.cruisecontrol.LogFile;
52
53 import org.apache.commons.logging.Log;
54 import org.apache.commons.logging.LogFactory;
55
56
57
62 public class CruiseControlTagSupport extends TagSupport {
63 protected static final String LOG_PARAMETER = "log";
64
65 public static Log getLog(Class clazz) {
66 return (LogFactory.getLog(clazz));
67 }
68
69 private static final FilenameFilter DIR_FILTER = new FilenameFilter () {
70 public boolean accept(File dir, String name) {
71 return (new File (dir, name).isDirectory());
72 }
73 };
74
75 private String projectName = null;
76
77 protected void info(String message) {
78 getLog(this.getClass()).info(message);
79 }
80
81 protected void err(String message) {
82 getLog(this.getClass()).error(message);
83 }
84
85 protected void err(Throwable exception) {
86 getLog(this.getClass()).error(exception);
87 }
88
89 protected String getBaseLogDir() throws JspException {
90 String logDirName = getContextParam("logDir");
91 if (logDirName == null) {
92 throw new JspException ("You need to specify a log directory as a context param");
93 }
94 return logDirName;
95 }
96
97 protected File findLogDir() throws JspException {
98 String logDirName = getBaseLogDir() + getProject();
99 File logDir = new File (logDirName);
100 if (!logDir.isDirectory()) {
101 throw new JspException (logDirName + " either does not exist, or is not a directory");
102 }
103 return logDir;
104 }
105
106
113 protected LogFile findLogFile() throws JspException {
114 String logFile = getPageContext().getRequest().getParameter(LOG_PARAMETER);
115 return getXMLFile(findLogDir(), logFile);
116 }
117
118 LogFile getXMLFile(File logDir, String logName) {
119 LogFile logFile;
120 if (logName == null || logName.trim().equals("")) {
121 logFile = LogFile.getLatestLogFile(logDir);
122 info("Using latest log file: " + logFile.getFile().getAbsolutePath());
123 } else {
124 logFile = new LogFile(logDir, logName);
125 info("Using specified log file: " + logFile.getFile().getAbsolutePath());
126 }
127 return logFile;
128 }
129
130 protected String [] findProjects() throws JspException {
131 String logDirName = getBaseLogDir();
132 File logDir = new File (logDirName);
133 if (!logDir.isDirectory()) {
134 throw new JspException (logDirName + " either does not exist, or is not a directory");
135 }
136 String [] projects = logDir.list(DIR_FILTER);
137 Arrays.sort(projects);
138 return projects;
139 }
140
141 protected String getContextParam(final String name) {
142 String value = pageContext.getServletConfig().getInitParameter(name);
143 if (value == null) {
144 value = pageContext.getServletContext().getInitParameter(name);
145 }
146 return value;
147 }
148
149 public void setProject(String projectName) {
150 this.projectName = projectName;
151 }
152
153 protected String getProject() {
154
155 if (projectName != null) {
156 return "/" + projectName;
157 }
158
159 String singleProjectMode = getContextParam("singleProject");
160 if (Boolean.valueOf(singleProjectMode).booleanValue()) {
161 info("in singleProjectMode");
162 return "";
163 }
164 String pathInfo = getRequest().getPathInfo();
165 if (pathInfo == null) {
166 info("pathInfo is null");
167 return "";
168 }
169 return pathInfo;
170 }
171
172
177 protected boolean isSingleProject() {
178 String singleProjectMode = getContextParam("singleProject");
179 boolean isSingleProject = Boolean.getBoolean(singleProjectMode);
180
181 return isSingleProject;
182 }
183
184 public void setPageContext(PageContext pageContext) {
185 this.pageContext = pageContext;
186 }
187
188 protected PageContext getPageContext() {
189 return pageContext;
190 }
191
192 protected String getServletPath() {
193 final HttpServletRequest request = getRequest();
194 return request.getContextPath() + request.getServletPath();
195 }
196
197 protected HttpServletRequest getRequest() {
198 return (HttpServletRequest ) getPageContext().getRequest();
199 }
200
201
206 protected String createUrl(String paramName, String paramValue) {
207 StringBuffer url = new StringBuffer (getServletPath());
208 url.append(getProject());
209 StringBuffer queryString = new StringBuffer ("?");
210 final ServletRequest request = getPageContext().getRequest();
211 Enumeration requestParams = request.getParameterNames();
212 while (requestParams.hasMoreElements()) {
213 String requestParamName = (String ) requestParams.nextElement();
214 if (!requestParamName.equals(paramName)) {
215 String [] requestParamValues = request.getParameterValues(requestParamName);
216 for (int i = 0; i < requestParamValues.length; i++) {
217 final String requestParamValue = requestParamValues[i];
218 appendParam(queryString, requestParamName, requestParamValue);
219 }
220 }
221 }
222 url.append(queryString.toString());
223 if (paramName != null && paramValue != null) {
224 appendParam(url, paramName, paramValue);
225 }
226 url.setLength(url.length() - 1);
227 return url.toString();
228 }
229
230 private void appendParam(StringBuffer queryString, String name, final String value) {
231 queryString.append(name);
232 queryString.append("=");
233 queryString.append(value);
234 queryString.append("&");
235 }
236
237 protected String createUrl(String paramToExclude) {
238 return createUrl(paramToExclude, null);
239 }
240
241 protected Locale getLocale() {
242 return pageContext.getRequest().getLocale();
243 }
244 }
245 |
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