DefaultAuditLogFilter.java

/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 * 
 * 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 org.drools.workbench.models.datamodel.auditlog;

import java.util.HashMap;
import java.util.Map;

/**
 * An Audit Log Filter, controlling which entries passed to the AuditLog are
 * actually appended to the log.
 */
public class DefaultAuditLogFilter implements AuditLogFilter {

    private Map<String, Boolean> acceptedTypes = new HashMap<String, Boolean>();

    /**
     * Register a type this Filter understands. When a new entry is added the
     * AuditLogFilter is set to not accept the type by default.
     * @param type
     */
    @Override
    public void addType( final String type ) {
        this.acceptedTypes.put( type,
                                Boolean.FALSE );
    }

    /**
     * This is the filtering method. When an AuditLogEntry is added to an
     * AuditLog the AuditLog calls this method to determine whether the
     * AuditLogEntry should be added.
     * @param entry
     * @return true if the AuditLogEntry should be added to the AuditLog
     */
    @Override
    public boolean accept( final AuditLogEntry entry ) {
        if ( !acceptedTypes.containsKey( entry.getGenericType() ) ) {
            return false;
        }
        return acceptedTypes.get( entry.getGenericType() );
    }

    @Override
    public Map<String, Boolean> getAcceptedTypes() {
        return this.acceptedTypes;
    }

}