hadoop RawParser 源码
haddop RawParser 代码
文件路径：/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/permission/RawParser.java
/**
* 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.hadoop.fs.permission;
import java.util.regex.Pattern;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
@InterfaceAudience.Private
@InterfaceStability.Unstable
class RawParser extends PermissionParser {
private static Pattern rawOctalPattern =
Pattern.compile("^\\s*([01]?)([0-7]{3})\\s*$");
private static Pattern rawNormalPattern =
Pattern.compile("\\G\\s*([ugoa]*)([+=-]+)([rwxt]*)([,\\s]*)\\s*");
private short permission;
public RawParser(String modeStr) throws IllegalArgumentException {
super(modeStr, rawNormalPattern, rawOctalPattern);
permission = (short)combineModes(0, false);
}
public short getPermission() {
return permission;
}
}
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