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-rw-r--r--infrastructure/framework-src/modules/fileutils.js108
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diff --git a/infrastructure/framework-src/modules/fileutils.js b/infrastructure/framework-src/modules/fileutils.js
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+/**
+ * Copyright 2009 Google Inc.
+ *
+ * Licensed 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.
+ */
+
+/** @fileOverview misc file functions */
+
+jimport("java.io.File",
+ "java.io.DataInputStream",
+ "java.io.FileInputStream",
+ "java.lang.reflect.Array",
+ "java.lang.Byte",
+ "java.io.FileReader",
+ "java.io.BufferedReader",
+ "net.appjet.oui.JarVirtualFile");
+
+function readFileBytes(path) {
+ var jfile = new JarVirtualFile(path);
+ if (!jfile.exists() || jfile.isDirectory()) {
+ throw 'Not a file: '+path;
+ }
+ return net.appjet.common.util.BetterFile.getStreamBytes(jfile.openStream());
+}
+
+function readFile(path) {
+ var bytes = readFileBytes(path);
+ if (bytes !== null) {
+ return String(new java.lang.String(bytes));
+ } else {
+ return null;
+ }
+}
+
+function fileLastModified(path) {
+ var jfile = new JarVirtualFile(path);
+ if (!jfile.exists()) {
+ throw "Not a file: "+path;
+ }
+ return jfile.lastModified();
+}
+
+//----------------------------------------------------------------
+// real files
+//----------------------------------------------------------------
+
+function readRealFileBytes(path) {
+ var jfile = new File(path);
+ if (!jfile.exists() || jfile.isDirectory()) {
+ throw 'Not a real file: '+path;
+ }
+ var jdata = new DataInputStream(new FileInputStream(jfile));
+ var size = jfile.length();
+ var bytes = Array.newInstance(Byte.TYPE, size);
+ jdata.read(bytes, 0, size);
+ jdata.close();
+ return bytes;
+}
+
+function readRealFile(path) {
+ var bytes = readRealFileBytes(path);
+ if (bytes !== null) {
+ return String(new java.lang.String(bytes));
+ } else {
+ return null;
+ }
+}
+
+function writeRealFile(path, data) {
+ var jf = new Packages.java.io.File(path);
+ var fw = new Packages.java.io.FileWriter(jf);
+ fw.write(data);
+ fw.flush();
+ fw.close();
+}
+
+
+function eachFileLine(file, fn) {
+ var iter = fileLineIterator(file);
+ while (iter.hasNext) {
+ fn(iter.next);
+ }
+}
+
+function fileLineIterator(file) {
+ var reader = new BufferedReader(new FileReader(file));
+ var nextLine = reader.readLine();
+ return {
+ get hasNext() { return nextLine !== null },
+ get next() {
+ var curLine = nextLine;
+ if (this.hasNext) {
+ nextLine = reader.readLine();
+ }
+ return curLine;
+ }
+ };
+}