com.addthis.hydra.job.alert.SuppressChanges.java Source code

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Here is the source code for com.addthis.hydra.job.alert.SuppressChanges.java

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/*
 * 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.
 */
package com.addthis.hydra.job.alert;

import javax.annotation.Nonnull;

import org.apache.commons.lang3.StringUtils;

public enum SuppressChanges {
    TRUE, FALSE, NEWLINE;

    public boolean suppress(@Nonnull String oldMessage, @Nonnull String newMessage) {
        switch (this) {
        case TRUE:
            return true;
        case FALSE:
            return false;
        case NEWLINE: {
            int oldLines = StringUtils.countMatches(oldMessage, "\n");
            int newLines = StringUtils.countMatches(newMessage, "\n");
            return (oldLines == newLines);
        }
        default:
            throw new IllegalStateException("unknown value " + this);
        }
    }
}