/*
* Copyright 1999-2017 Alibaba Group Holding Ltd.
*
* 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.
*/
package com.alibaba.druid;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import junit.framework.TestCase;
import com.alibaba.druid.util.Utils;
public class TestReplaceLicense extends TestCase {
private String license;
private String lineSeparator;
protected void setUp() throws Exception {
InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream("License.txt");
Reader reader = new InputStreamReader(is);
license = Utils.read(reader);
reader.close();
System.out.println(license);
lineSeparator = "\n"; // (String) java.security.AccessController.doPrivileged(new
// sun.security.action.GetPropertyAction("line.separator"));
}
public void test_0() throws Exception {
File file = new File("/usr/alibaba/workspace/druid");
listFile(file);
}
public void listFile(File file) throws Exception {
if (file.isDirectory()) {
for (File child : file.listFiles()) {
listFile(child);
}
} else {
if (file.getName().endsWith(".java")) {
listJavaFile(file);
}
}
}
public void listJavaFile(File file) throws Exception {
FileInputStream in = new FileInputStream(file);
InputStreamReader reader = new InputStreamReader(in, "utf-8");
String content = Utils.read(reader);
reader.close();
if (!content.startsWith(license)) {
String newContent;
int index = content.indexOf("package ");
if (index != -1) {
newContent = license + lineSeparator + content.substring(index);
} else {
newContent = license + lineSeparator + content;
}
FileOutputStream out = new FileOutputStream(file);
Writer writer = new OutputStreamWriter(out, "utf-8");
writer.write(newContent);
writer.close();
} else {
}
}
}