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java/org/apache/tomcat/buildutil/translate/Import.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.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.nio.charset.StandardCharsets;
+import java.util.Arrays;
+import java.util.Properties;
+
+public class Import {
+
+    public static void main(String... args) throws IOException {
+        File root = new File(Constants.STORAGE_DIR);
+
+        for (File f : root.listFiles()) {
+            // Not robust but good enough
+            if (f.isFile() && f.getName().startsWith(Constants.L10N_PREFIX)) {
+                processFile(f);
+            }
+        }
+    }
+
+
+    @SuppressWarnings("null")
+    private static void processFile(File f) throws IOException {
+        String language = Utils.getLanguage(f.getName());
+
+        // Unlike the master branch, don't skip the original so we can import
+        // updates to the English translations
+        Properties props = Utils.load(f);
+        Object[] objKeys = props.keySet().toArray();
+        Arrays.sort(objKeys);
+
+        String currentPkg = null;
+        Writer w = null;
+        String currentGroup = "zzz";
+
+        for (Object objKey : objKeys) {
+            String key = (String) objKey;
+            CompositeKey cKey = new CompositeKey(key);
+
+            if (!cKey.pkg.equals(currentPkg)) {
+                currentPkg = cKey.pkg;
+                if (w != null) {
+                    w.close();
+                }
+                File outFile = new File(currentPkg.replace('.', File.separatorChar), Constants.L10N_PREFIX + language + Constants.L10N_SUFFIX);
+                FileOutputStream fos = new FileOutputStream(outFile);
+                w = new OutputStreamWriter(fos, StandardCharsets.UTF_8);
+                insertLicense(w);
+            }
+
+            if (!currentGroup.equals(cKey.group)) {
+                currentGroup = cKey.group;
+                w.write(System.lineSeparator());
+            }
+
+            w.write(cKey.key + "=" + Utils.formatValue(props.getProperty(key)));
+            w.write(System.lineSeparator());
+        }
+        if (w != null) {
+            w.close();
+        }
+    }
+
+
+    private static void insertLicense(Writer w) throws IOException {
+        w.write("# Licensed to the Apache Software Foundation (ASF) under one or more");
+        w.write(System.lineSeparator());
+        w.write("# contributor license agreements.  See the NOTICE file distributed with");
+        w.write(System.lineSeparator());
+        w.write("# this work for additional information regarding copyright ownership.");
+        w.write(System.lineSeparator());
+        w.write("# The ASF licenses this file to You under the Apache License, Version 2.0");
+        w.write(System.lineSeparator());
+        w.write("# (the \"License\"); you may not use this file except in compliance with");
+        w.write(System.lineSeparator());
+        w.write("# the License.  You may obtain a copy of the License at");
+        w.write(System.lineSeparator());
+        w.write("#");
+        w.write(System.lineSeparator());
+        w.write("#     http://www.apache.org/licenses/LICENSE-2.0");
+        w.write(System.lineSeparator());
+        w.write("#");
+        w.write(System.lineSeparator());
+        w.write("# Unless required by applicable law or agreed to in writing, software");
+        w.write(System.lineSeparator());
+        w.write("# distributed under the License is distributed on an \"AS IS\" BASIS,");
+        w.write(System.lineSeparator());
+        w.write("# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.");
+        w.write(System.lineSeparator());
+        w.write("# See the License for the specific language governing permissions and");
+        w.write(System.lineSeparator());
+        w.write("# limitations under the License.");
+        w.write(System.lineSeparator());
+    }
+    private static class CompositeKey {
+
+        public final String pkg;
+        public final String key;
+        public final String group;
+
+        public CompositeKey(String in) {
+            int posPkg = in.indexOf(Constants.END_PACKAGE_MARKER);
+            pkg = in.substring(0, posPkg);
+            key = in.substring(posPkg + Constants.END_PACKAGE_MARKER.length());
+            int posGroup = key.indexOf('.');
+            if (posGroup == -1) {
+                group = "";
+            } else {
+                group = key.substring(0, posGroup);
+            }
+        }
+    }
+}