/*
* 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.usergrid.chop.client.ssh;
import java.io.IOException;
import java.io.InputStream;
public class Utils {
public static final String DEFAULT_USER = "ubuntu";
public static String checkAck( InputStream in ) throws IOException {
int b = in.read();
// b may be 0 for success,
// 1 for error,
// 2 for fatal error,
// -1
if( b == 0 || b == -1 ) {
return null;
}
if( b == 1 || b == 2 ) {
StringBuffer sb = new StringBuffer();
int c;
do {
c=in.read();
sb.append((char)c);
}
while ( c != '\n' );
return sb.toString();
}
throw new RuntimeException( "Invalid value, this shouldn't have gotten here" );
}
public static String convertToNumericalForm( String fileMode ) {
if ( fileMode.length() != 9 ) {
throw new RuntimeException( "File mode string should be 9 characters long: " + fileMode );
}
int[] permissions = new int[3];
for( int i = 0; i < 3; i++ ) {
if( fileMode.charAt( i * 3 ) == 'r' ) {
permissions[ i ] += 4;
}
if( fileMode.charAt( i * 3 + 1 ) == 'w' ) {
permissions[ i ] += 2;
}
if( fileMode.charAt( i * 3 + 2 ) == 'x' ) {
permissions[ i ] += 1;
}
}
StringBuilder sb = new StringBuilder( 3 );
return sb.append( permissions[ 0 ] )
.append( permissions[ 1 ] )
.append( permissions[ 2 ] )
.toString();
}
}