1 | /*
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2 | * Copyright 2000,2002,2004 The Apache Software Foundation
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3 | *
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4 | * Licensed under the Apache License, Version 2.0 (the "License");
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5 | * you may not use this file except in compliance with the License.
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6 | * You may obtain a copy of the License at
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7 | *
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8 | * http://www.apache.org/licenses/LICENSE-2.0
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9 | *
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10 | * Unless required by applicable law or agreed to in writing, software
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11 | * distributed under the License is distributed on an "AS IS" BASIS,
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 | * See the License for the specific language governing permissions and
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14 | * limitations under the License.
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15 | *
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16 | */
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17 | package org.apache.tools.ant.taskdefs.optional.ejb;
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18 |
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19 | import java.io.File;
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20 | import org.apache.tools.ant.BuildException;
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21 | import org.apache.tools.ant.DirectoryScanner;
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22 | import org.apache.tools.ant.taskdefs.Java;
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23 | import org.apache.tools.ant.taskdefs.MatchingTask;
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24 | import org.apache.tools.ant.types.Commandline;
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25 | import org.apache.tools.ant.types.Path;
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26 |
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27 | /**
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28 | * Builds EJB support classes using WebLogic's ejbc tool from a directory containing
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29 | * a set of deployment descriptors.
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30 | *
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31 | *
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32 | */
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33 | public class Ejbc extends MatchingTask {
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34 | /**
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35 | * The root directory of the tree containing the serialised deployment desciptors. The actual
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36 | * deployment descriptor files are selected using include and exclude constructs
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37 | * on the ejbc task provided by the MatchingTask superclass.
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38 | */
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39 | private File descriptorDirectory;
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40 |
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41 | /**
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42 | * The directory where generated files are placed.
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43 | */
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44 | private File generatedFilesDirectory;
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45 |
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46 | /**
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47 | * The name of the manifest file generated for the EJB jar.
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48 | */
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49 | private File generatedManifestFile;
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50 |
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51 | /**
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52 | * The classpath to be used in the weblogic ejbc calls. It must contain the weblogic
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53 | * classes <b>and</b> the implementation classes of the home and remote interfaces.
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54 | */
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55 | private String classpath;
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56 |
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57 | /**
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58 | * The source directory for the home and remote interfaces. This is used to determine if
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59 | * the generated deployment classes are out of date.
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60 | */
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61 | private File sourceDirectory;
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62 |
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63 | public boolean keepgenerated;
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64 |
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65 | /**
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66 | * Do the work.
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67 | *
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68 | * The work is actually done by creating a separate JVM to run a helper task.
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69 | * This approach allows the classpath of the helper task to be set. Since the
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70 | * weblogic tools require the class files of the project's home and remote
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71 | * interfaces to be available in the classpath, this also avoids having to
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72 | * start ant with the class path of the project it is building.
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73 | *
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74 | * @exception BuildException if someting goes wrong with the build
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75 | */
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76 | public void execute() throws BuildException {
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77 | if (descriptorDirectory == null
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78 | || !descriptorDirectory.isDirectory()) {
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79 | throw new BuildException("descriptors directory "
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80 | + descriptorDirectory.getPath() + " is not valid");
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81 | }
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82 | if (generatedFilesDirectory == null
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83 | || !generatedFilesDirectory.isDirectory()) {
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84 | throw new BuildException("dest directory "
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85 | + generatedFilesDirectory.getPath() + " is not valid");
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86 | }
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87 |
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88 | if (sourceDirectory == null
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89 | || !sourceDirectory.isDirectory()) {
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90 | throw new BuildException("src directory "
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91 | + sourceDirectory.getPath() + " is not valid");
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92 | }
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93 |
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94 | String systemClassPath = System.getProperty("java.class.path");
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95 | String execClassPath
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96 | = getProject().translatePath(systemClassPath + ":" + classpath
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97 | + ":" + generatedFilesDirectory);
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98 | // get all the files in the descriptor directory
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99 | DirectoryScanner ds = super.getDirectoryScanner(descriptorDirectory);
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100 |
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101 | String[] files = ds.getIncludedFiles();
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102 |
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103 | Java helperTask = (Java) getProject().createTask("java");
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104 | helperTask.setTaskName(getTaskName());
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105 | helperTask.setFork(true);
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106 | helperTask.setClassname("org.apache.tools.ant.taskdefs.optional.ejb.EjbcHelper");
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107 | String args = "";
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108 | args += " " + descriptorDirectory;
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109 | args += " " + generatedFilesDirectory;
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110 | args += " " + sourceDirectory;
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111 | args += " " + generatedManifestFile;
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112 | args += " " + keepgenerated;
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113 |
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114 | for (int i = 0; i < files.length; ++i) {
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115 | args += " " + files[i];
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116 | }
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117 |
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118 | Commandline.Argument arguments = helperTask.createArg();
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119 | arguments.setLine(args);
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120 | helperTask.setClasspath(new Path(getProject(), execClassPath));
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121 | if (helperTask.executeJava() != 0) {
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122 | throw new BuildException("Execution of ejbc helper failed");
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123 | }
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124 | }
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125 |
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126 | public boolean getKeepgenerated() {
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127 | return keepgenerated;
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128 | }
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129 |
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130 | /**
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131 | * Set the directory from where the serialized deployment descriptors are
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132 | * to be read.
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133 | *
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134 | * @param dirName the name of the directory containing the serialised deployment descriptors.
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135 | */
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136 | public void setDescriptors(String dirName) {
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137 | descriptorDirectory = new File(dirName);
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138 | }
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139 |
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140 | /**
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141 | * Set the directory into which the support classes, RMI stubs, etc are to be written.
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142 | *
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143 | * @param dirName the name of the directory into which code is generated
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144 | */
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145 | public void setDest(String dirName) {
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146 | generatedFilesDirectory = new File(dirName);
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147 | }
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148 |
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149 | /**
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150 | * If true, ejbc will keep the
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151 | * intermediate Java files used to build the class files.
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152 | * This can be useful when debugging.
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153 | */
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154 | public void setKeepgenerated(String newKeepgenerated) {
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155 | keepgenerated = Boolean.valueOf(newKeepgenerated.trim()).booleanValue();
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156 |
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157 | }
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158 |
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159 | /**
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160 | * Set the name of the generated manifest file.
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161 | *
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162 | * For each EJB that is processed an entry is created in this file. This can then be used
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163 | * to create a jar file for dploying the beans.
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164 | *
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165 | * @param manifestFilename the name of the manifest file to be generated.
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166 | */
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167 | public void setManifest(String manifestFilename) {
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168 | generatedManifestFile = new File(manifestFilename);
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169 | }
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170 |
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171 | /**
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172 | * Set the classpath to be used for this compilation.
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173 | */
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174 | public void setClasspath(String s) {
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175 | this.classpath = getProject().translatePath(s);
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176 | }
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177 |
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178 | /**
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179 | * Set the directory containing the source code for the home interface, remote interface
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180 | * and public key class definitions.
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181 | *
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182 | * @param dirName the directory containg the source tree for the EJB's interface classes.
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183 | */
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184 | public void setSrc(String dirName) {
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185 | sourceDirectory = new File(dirName);
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186 | }
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187 | }
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