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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;
}
};
}
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