Java Properties Load from File loadKeys(String propertiesFileName, InputStream in)

Description

load Keys

License

Apache License

Declaration

public static Set<String> loadKeys(String propertiesFileName, InputStream in) throws IOException 

Method Source Code

//package com.java2s;
/**/*from  w  ww  .  ja v a  2s .com*/
 * Copyright (C) 2015 Orange
 * 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.
 */

import java.io.IOException;
import java.io.InputStream;
import java.util.HashSet;
import java.util.Properties;
import java.util.Set;

public class Main {
    public static Set<String> loadKeys(String propertiesFileName, InputStream in) throws IOException {
        Set<String> keys = new HashSet<String>();
        Properties prop = new Properties();
        if (in == null)
            throw new IOException("unable to get resource file " + propertiesFileName);
        prop.load(in);
        in.close();
        for (Object key : prop.keySet()) {
            keys.add((String) key);
        }
        return keys;
    }
}

Related

1. loadHeader(String fileName)
2. loadIncludes(String propertyName, boolean mandatory, File file, Properties configProps)
3. loadInputAsString(InputStream is)
4. loadInstallProps()
5. loadJZ(File file)
6. loadLibrary(String libFileName)
7. loadLibrarySmart(String libraryName)
8. loadLocalization(final ZipFile file, final String loc)
9. loadLocatorInfo(String fileName)