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java/org/apache/tomcat/buildutil/translate/BackportBase.java

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+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package org.apache.tomcat.buildutil.translate;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Properties;
+
+/**
+ * Base class providing common implementation for back-port utilities.
+ */
+public abstract class BackportBase {
+
+    protected final Map<String,Properties> sourceTranslations = new HashMap<>();
+    protected final Map<String,Properties> targetTranslations = new HashMap<>();
+    protected final File targetRoot;
+    protected final Properties sourceEnglish;
+    protected final Properties targetEnglish;
+    protected final File storageDir;
+
+    protected BackportBase(String... args) throws IOException {
+        if (args.length != 1) {
+            throw new IllegalArgumentException("Missing back-port target");
+        }
+        targetRoot = new File(args[0]);
+
+        if (!targetRoot.isDirectory()) {
+            throw new IllegalArgumentException("Back-port target not a directory");
+        }
+
+        File sourceRoot = new File(".");
+        for (String dir : Constants.SEARCH_DIRS) {
+            File directory = new File(dir);
+            Utils.processDirectory(sourceRoot, directory, sourceTranslations);
+        }
+
+        for (String dir : Constants.SEARCH_DIRS) {
+            File directory = new File(targetRoot, dir);
+            Utils.processDirectory(targetRoot, directory, targetTranslations);
+        }
+
+        sourceEnglish = sourceTranslations.get("");
+        targetEnglish = targetTranslations.get("");
+
+        storageDir = new File(targetRoot, Constants.STORAGE_DIR);
+    }
+
+    protected abstract void execute() throws IOException;
+}