org.apache.archiva.consumers.functors.ConsumerWantsFilePredicate.java Source code

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Here is the source code for org.apache.archiva.consumers.functors.ConsumerWantsFilePredicate.java

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package org.apache.archiva.consumers.functors;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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.
 */

import java.util.List;

import org.apache.archiva.admin.model.beans.ManagedRepository;
import org.apache.commons.collections.Predicate;
import org.apache.commons.io.FilenameUtils;
import org.apache.archiva.common.utils.BaseFile;
import org.apache.archiva.consumers.RepositoryContentConsumer;
import org.apache.commons.lang.StringUtils;
import org.apache.tools.ant.types.selectors.SelectorUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * ConsumerWantsFilePredicate
 */
public class ConsumerWantsFilePredicate implements Predicate {
    private BaseFile basefile;

    private boolean isCaseSensitive = true;

    private int wantedFileCount = 0;

    private long changesSince = 0;

    private ManagedRepository managedRepository;

    private Logger logger = LoggerFactory.getLogger(getClass());

    /**
     * @deprecated use constructor with ManagedRepository
     */
    public ConsumerWantsFilePredicate() {
        // no-op
    }

    public ConsumerWantsFilePredicate(ManagedRepository managedRepository) {
        this.managedRepository = managedRepository;
    }

    @Override
    public boolean evaluate(Object object) {
        boolean satisfies = false;

        if (object instanceof RepositoryContentConsumer) {
            RepositoryContentConsumer consumer = (RepositoryContentConsumer) object;
            if (wantsFile(consumer, FilenameUtils.separatorsToUnix(basefile.getRelativePath()))) {
                satisfies = true;

                // regardless of the timestamp, we record that it was wanted so it doesn't get counted as invalid
                wantedFileCount++;

                if (!consumer.isProcessUnmodified()) {
                    // Timestamp finished points to the last successful scan, not this current one.
                    if (basefile.lastModified() < changesSince) {
                        // Skip file as no change has occurred.
                        satisfies = false;
                    }
                }
            }
        }

        return satisfies;
    }

    public BaseFile getBasefile() {
        return basefile;
    }

    public int getWantedFileCount() {
        return wantedFileCount;
    }

    public boolean isCaseSensitive() {
        return isCaseSensitive;
    }

    public void setBasefile(BaseFile basefile) {
        this.basefile = basefile;
        this.wantedFileCount = 0;
    }

    public void setCaseSensitive(boolean isCaseSensitive) {
        this.isCaseSensitive = isCaseSensitive;
    }

    private boolean wantsFile(RepositoryContentConsumer consumer, String relativePath) {
        // Test excludes first.
        List<String> excludes = consumer.getExcludes();
        if (excludes != null) {
            for (String pattern : excludes) {
                if (SelectorUtils.matchPath(pattern, relativePath, isCaseSensitive)) {
                    // Definately does NOT WANT FILE.
                    return false;
                }
            }
        }

        if (managedRepository != null) {
            String indexDirectory = managedRepository.getIndexDirectory();
            if (StringUtils.startsWith(relativePath, indexDirectory)) {
                logger.debug("ignore file {} part of the index directory {}", relativePath, indexDirectory);
                return false;
            }
        }

        // Now test includes.
        for (String pattern : consumer.getIncludes()) {
            if (SelectorUtils.matchPath(pattern, relativePath, isCaseSensitive)) {
                // Specifically WANTS FILE.
                return true;
            }
        }

        // Not included, and Not excluded?  Default to EXCLUDE.
        return false;
    }

    public void setChangesSince(long changesSince) {
        this.changesSince = changesSince;
    }
}