org.talend.esb.monitoring.hq.HypericUtils.java Source code

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Here is the source code for org.talend.esb.monitoring.hq.HypericUtils.java

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/*
 * #%L
 * Talend ESB :: Adapters :: HQ :: Common
 * %%
 * Copyright (C) 2011 - 2013 Talend Inc.
 * %%
 * 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.
 * #L%
 */
package org.talend.esb.monitoring.hq;

import org.apache.commons.logging.Log;
import org.hyperic.hq.product.GenericPlugin;
import org.hyperic.hq.product.PluginException;

public final class HypericUtils {

    public static String getMandatoryProperty(final GenericPlugin plugin, final String propName)
            throws PluginException {
        final String result = plugin.getTypeProperty(plugin.getTypeInfo(), propName);
        if (result == null) {
            throw new PluginException("Mandatory property '" + propName + "' is not set.");
        }
        return result;
    }

    public static String getOptionalProperty(final GenericPlugin plugin, final String propName) {
        return plugin.getTypeProperty(plugin.getTypeInfo(), propName);
    }

    // logging helper method, to prevent unnecessary string concatenation
    public static void logInfo(final Log log, final Object o1, final Object... info) {
        if (!log.isInfoEnabled()) {
            return;
        }

        if (info.length == 0) {
            log.info(o1.toString());
            return;
        }

        final StringBuilder sb = new StringBuilder(o1.toString());
        for (final Object o : info) {
            sb.append(o.toString());
        }

        log.info(sb.toString());
    }

    private HypericUtils() {
    }
}