org.teavm.cache.FileNameEncoder Maven / Gradle / Ivy
/*
* Copyright 2014 Alexey Andreev.
*
* 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 org.teavm.cache;
public final class FileNameEncoder {
private FileNameEncoder() {
}
public static String encodeFileName(String name) {
StringBuilder sb = new StringBuilder();
for (int i = 0; i < name.length(); ++i) {
char c = name.charAt(i);
switch (c) {
case '/':
sb.append("$s");
break;
case '\\':
sb.append("$b");
break;
case '?':
sb.append("$q");
break;
case '%':
sb.append("$p");
break;
case '*':
sb.append("$a");
break;
case ':':
sb.append("$c");
break;
case '|':
sb.append("$v");
break;
case '$':
sb.append("$$");
break;
case '"':
sb.append("$Q");
break;
case '<':
sb.append("$l");
break;
case '>':
sb.append("$g");
break;
case '.':
sb.append("$d");
break;
case ' ':
sb.append("$w");
break;
default:
sb.append(c);
break;
}
}
String str = sb.toString();
sb.setLength(0);
for (int i = 0; i < str.length(); i += 100) {
if (i > 0) {
sb.append('/');
}
int j = Math.min(i + 100, str.length());
sb.append(str.substring(i, j));
}
return sb.toString();
}
}