/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.wso2.carbon.governance.list.util;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.governance.api.common.dataobjects.GovernanceArtifact;
import org.wso2.carbon.governance.api.exception.GovernanceException;
import org.wso2.carbon.governance.api.services.dataobjects.Service;
public class GovernanceArtifactFilter {
private static final Log log = LogFactory.getLog(GovernanceArtifactFilter.class);
private GovernanceArtifact referenceArtifact; // the artifact to match with
public GovernanceArtifactFilter(GovernanceArtifact referenceArtifact) {
this.referenceArtifact = referenceArtifact;
}
public boolean matches(GovernanceArtifact service) throws GovernanceException {
if (referenceArtifact == null) {
return true;
}
String[] keys = referenceArtifact.getAttributeKeys();
for (String key : keys) {
if ("operation".equals(key)) {
// this is a special case
continue;
}
if (key.toLowerCase().contains("count")) {
// we ignore the count.
continue;
}
String[] referenceValues = referenceArtifact.getAttributes(key);
if (referenceValues == null) {
continue;
}
// all the valid keys should be satisfied..
boolean satisfied = false; // either one of value should be satisfied.
String[] realValues = service.getAttributes(key);
if (realValues == null) {
return false;
} else {
for (String referenceValue : referenceValues) {
for (String realValue : realValues) {
if (realValue.toLowerCase().contains(referenceValue.toLowerCase())) {
satisfied = true;
break;
}
// the reference value can be regular expression
try {
if (realValue.matches(referenceValue)) {
satisfied = true;
break;
}
} catch (Exception e) {
String msg = "Error in performing the regular expression matches for: " +
referenceValue + ".";
throw new GovernanceException(msg, e);
}
}
if (satisfied) {
break;
}
}
}
if (!satisfied) {
if (log.isDebugEnabled()) {
String msg = "key: " + key + " is not satisfied by the service: " +
service.getQName() + ".";
log.debug(msg);
}
return false;
}
}
return true;
}
}