BUG 2839: Config: remove dependencies on commons-io

[controller.git] / opendaylight / config / yang-test-plugin / src / main / java / org / opendaylight / controller / config / yang / test / plugin / ProcessSources.java

diff --git a/opendaylight/config/yang-test-plugin/src/main/java/org/opendaylight/controller/config/yang/test/plugin/ProcessSources.java b/opendaylight/config/yang-test-plugin/src/main/java/org/opendaylight/controller/config/yang/test/plugin/ProcessSources.java
index f2a56f2b1bfbe2a1e1066a90f3ef16ba6afef660..054edffe68a77aa3d4e87ec15a986f79cadaa78c 100644 (file)
--- a/opendaylight/config/yang-test-plugin/src/main/java/org/opendaylight/controller/config/yang/test/plugin/ProcessSources.java
+++ b/opendaylight/config/yang-test-plugin/src/main/java/org/opendaylight/controller/config/yang/test/plugin/ProcessSources.java
@@ -7,14 +7,14 @@
  */
 package org.opendaylight.controller.config.yang.test.plugin;
 
-import org.apache.commons.io.FileUtils;
-import org.apache.maven.plugin.AbstractMojo;
-import org.apache.maven.plugin.MojoExecutionException;
-import org.apache.maven.plugin.MojoFailureException;
-
+import com.google.common.io.Files;
 import java.io.File;
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.regex.Pattern;
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
 
 /**
  * Add implementation code from stub.txt
@@ -39,27 +39,58 @@ public class ProcessSources extends AbstractMojo{
         }
         File sourceDirectory = new File(directory.getPath() + Util.replaceDots(".org.opendaylight.controller.config.yang.test.impl"));
         if (!sourceDirectory.exists()) {
-            super.getLog().error("Source directory does not exists " + sourceDirectory.getPath());
+            super.getLog().error(String.format("Source directory does not exists %s", sourceDirectory.getPath()));
         }
 
         File[] sourceFiles = sourceDirectory.listFiles();
         for (File sourceFile: sourceFiles) {
-            if(sourceFile.getName().endsWith("Module.java") || sourceFile.getName().endsWith("ModuleFactory.java")) {
-                File stubFile = new File(sourceFile.getPath().replace(".java", "Stub.txt"));
-                if (stubFile.exists()) {
-                    try {
-                        rewrite(sourceFile, FileUtils.readFileToString(stubFile));
-                    } catch (IOException e) {
-                        getLog().error("Error while reading/writing to files.", e);
+            if (sourceFile.getName().endsWith(".java")) {
+                String sourceContent;
+                try {
+                    sourceContent = Files.toString(sourceFile, StandardCharsets.UTF_8);
+                } catch (IOException e) {
+                    getLog().error(String.format("Cannot read %s", sourceFile.getAbsolutePath()), e);
+                    continue;
+                }
+                if (sourceFile.getName().endsWith("Module.java") || sourceFile.getName().endsWith("ModuleFactory.java")) {
+                    File stubFile = new File(sourceFile.getPath().replace(".java", "Stub.txt"));
+                    if (stubFile.exists()) {
+                        String stubContent = null;
+                        try {
+                            stubContent = Files.toString(stubFile, StandardCharsets.UTF_8);
+                        } catch (IOException e) {
+                            getLog().error(String.format("Cannot read %s", stubFile.getAbsolutePath()), e);
+                        }
+                        if (stubContent != null) {
+                            sourceContent = rewriteStub(sourceContent, stubContent);
+                        }
                     }
                 }
+                // remove copyright headers as they can contain timestamp
+                sourceContent = removeCopyrights(sourceContent);
+
+                // replace the file content
+                try {
+                    Files.write(sourceContent, sourceFile, StandardCharsets.UTF_8);
+                } catch (IOException e) {
+                    getLog().error(String.format("Cannot write %s", sourceFile.getAbsolutePath()), e);
+                }
             }
+
         }
     }
 
-    private static void rewrite(File sourceFile, String replaceTODOWith) throws IOException {
-        String source = FileUtils.readFileToString(sourceFile);
-        String target = Pattern.compile("^.*TODO.*\n.*throw new java.lang.UnsupportedOperationException.*$", Pattern.MULTILINE).matcher(source).replaceFirst(replaceTODOWith);
-        FileUtils.write(sourceFile, target);
+    private static Pattern MULTILINE_COMMENT_PATTERN = Pattern.compile("/\\*.*\\*/", Pattern.MULTILINE | Pattern.DOTALL);
+    private static String removeCopyrights(String source) {
+        String target = MULTILINE_COMMENT_PATTERN.matcher(source).replaceAll("\n");
+        //FileUtils.write(sourceFile, target);
+        return target;
+    }
+
+    private static Pattern UNSUPPORTED_OP_PATTERN = Pattern.compile("^.*TODO.*\n.*throw new java.lang.UnsupportedOperationException.*$", Pattern.MULTILINE);
+
+    private static String rewriteStub(String source, String replaceTODOWith) {
+        String target = UNSUPPORTED_OP_PATTERN.matcher(source).replaceFirst(replaceTODOWith);
+        return target;
     }
 }