Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*******************************************************************************
 * Software Name : RCS IMS Stack
 *
 * Copyright (C) 2010 France Telecom S.A.
 *
 * 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.
 ******************************************************************************/

public class Main {
    /**
     * Get parameter value from SDP parameters string with parameter-value
     * format 'key1=value1; ... keyN=valueN'
     * 
     * @param paramKey parameter name
     * @param params parameters string
     * @return if parameter exists return {@link String} with value, otherwise
     *         return <code>null</code>
     */
    public static String getParameterValue(String paramKey, String params) {
        String value = null;
        if (params != null && params.length() > 0) {
            try {
                java.util.regex.Pattern p = java.util.regex.Pattern.compile("(?<=" + paramKey + "=).*?(?=;|$)");
                java.util.regex.Matcher m = p.matcher(params);
                if (m.find()) {
                    value = m.group(0);
                }
            } catch (java.util.regex.PatternSyntaxException ex) {
            }
        }
        return value;
    }
}