org.efaps.update.schema.program.esjp.ESJPImporter Maven / Gradle / Ivy

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eFaps is a framework used to map objects with or without attached files to a relational database and optional file systems (only for attaches files). Configurable access control can be provided down to object and attribute level depending on implementation and use case. Depending on requirements, events (like triggers) allow to implement business logic and to separate business logic from user interface. The framework includes integrations (e.g. webdav, full text search) and a web application as 'simple' configurable user interface. Some best practises, example web application modules (e.g. team work module) support administrators and implementers using this framework.

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/*
 * Copyright 2003 - 2012 The eFaps Team
 *
 * 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.
 *
 * Revision:        $Rev: 7483 $
 * Last Changed:    $Date: 2012-05-11 11:57:38 -0500 (Fri, 11 May 2012) $
 * Last Changed By: $Author: [email protected] $
 */

package org.efaps.update.schema.program.esjp;

import java.net.URL;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.efaps.ci.CIAdminProgram;
import org.efaps.update.schema.program.AbstractSourceImporter;
import org.efaps.update.util.InstallationException;

/**
 * Java source code could be imported into eFaps as ESJP with this class. The
 * class does not need any XML update files and could be called directly.
 *
 * @author The eFaps Team
 * @version $Id: ESJPImporter.java 7483 2012-05-11 16:57:38Z [email protected] $
 * TODO:  encoding from java files!
 */
public class ESJPImporter
    extends AbstractSourceImporter
{
    /**
     * Constructor used to read the source code from given URL and extract the
     * class name.
     *
     * @param _url    url to the ESJP source code
     * @throws InstallationException on error
     */
    public ESJPImporter(final URL _url)
        throws InstallationException
    {
        super(CIAdminProgram.Java, _url);
    }

    /**
     * This Method extracts the package name and sets the name of this Java
     * definition (the name is the package name together with the name of the
     * file excluding the .java).
     *
     * @return class name of the ESJP
     */
    @Override
    protected String evalProgramName()
    {
        final String urlPath = getUrl().getPath();
        String name = urlPath.substring(urlPath.lastIndexOf('/') + 1);
        name = name.substring(0, name.lastIndexOf('.'));

        // regular expression for the package name
        final Pattern pckPattern = Pattern.compile("package +[^;]+;");
        final Matcher pckMatcher = pckPattern.matcher(getCode());
        if (pckMatcher.find()) {
            final String pkg = pckMatcher.group()
                                         .replaceFirst("^(package) +", "")
                                         .replaceFirst(";$", "");
            name = pkg + "." + name;
        }
        return name;
    }

    /**
     * This Method extracts the UUID from the ESJP.
     *
     * @return UUID of the ESJP
     */
    @Override
    protected UUID evalUUID()
    {
        UUID uuid = null;

        final Pattern uuidPattern = Pattern.compile("@EFapsUUID ?\\( ?\\\"[0-9a-z\\-]*\\\" ?\\)");
        final Matcher uuidMatcher = uuidPattern.matcher(getCode());
        if (uuidMatcher.find()) {
            final String uuidStr = uuidMatcher.group()
                                              .replaceFirst("^@EFapsUUID ?\\( ?\\\"", "")
                                              .replaceFirst("\\\" ?\\)", "");
            uuid = UUID.fromString(uuidStr);
        }
        return uuid;
    }

    /**
     * This Method extracts the Revision from the ESJP.
     *
     * @return revision of the ESJP
     */
    @Override
    protected String evalRevision()
    {
        String ret = null;
        final Pattern revisionPattern = Pattern.compile("@EFapsRevision ?\\( ?\\\".*\\\" ?\\)");
        final Matcher revisionMatcher = revisionPattern.matcher(getCode());
        if (revisionMatcher.find()) {
            ret = revisionMatcher.group()
                                 .replaceFirst("^@EFapsRevision ?\\( ?\\\"", "")
                                 .replaceFirst("\\\" ?\\)", "");
        }
        return ret;
    }
}