com.moss.simpledeb.core.action.ControlAction.java Source code

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Here is the source code for com.moss.simpledeb.core.action.ControlAction.java

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/**
 * Copyright (C) 2013, Moss Computing Inc.
 *
 * This file is part of simpledeb.
 *
 * simpledeb is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2, or (at your option)
 * any later version.
 *
 * simpledeb is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with simpledeb; see the file COPYING.  If not, write to the
 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * Linking this library statically or dynamically with other modules is
 * making a combined work based on this library.  Thus, the terms and
 * conditions of the GNU General Public License cover the whole
 * combination.
 *
 * As a special exception, the copyright holders of this library give you
 * permission to link this library with independent modules to produce an
 * executable, regardless of the license terms of these independent
 * modules, and to copy and distribute the resulting executable under
 * terms of your choice, provided that you also meet, for each linked
 * independent module, the terms and conditions of the license of that
 * module.  An independent module is a module which is not derived from
 * or based on this library.  If you modify this library, you may extend
 * this exception to your version of the library, but you are not
 * obligated to do so.  If you do not wish to do so, delete this
 * exception statement from your version.
 */
package com.moss.simpledeb.core.action;

import javax.xml.bind.annotation.XmlAccessType;
import javax.xml.bind.annotation.XmlAccessorType;
import javax.xml.bind.annotation.XmlAttribute;

import org.apache.commons.compress.archivers.tar.TarArchiveEntry;

import com.moss.simpledeb.core.DebComponent;
import com.moss.simpledeb.core.DebState;
import com.moss.simpledeb.core.path.BytesArchivePath;

@XmlAccessorType(XmlAccessType.FIELD)
public final class ControlAction extends DebAction {

    @XmlAttribute(name = "package")
    private String packageName;

    @XmlAttribute
    private String version;

    @XmlAttribute
    private String architecture;

    @XmlAttribute
    private String depends; // optional

    @XmlAttribute
    private String maintainer;

    @XmlAttribute
    private String description;

    @Override
    public void run(DebState state) throws Exception {

        require("Package", packageName);
        require("Version", version);
        require("Architecture", architecture);
        require("Depends", depends);
        require("Maintainer", maintainer);
        require("Description", description);

        byte[] controlFileData;
        {
            StringBuilder sb = new StringBuilder();
            sb.append("Package: ").append(packageName).append("\n");
            sb.append("Version: ").append(version).append("\n");
            sb.append("Architecture: ").append(architecture).append("\n");
            sb.append("Depends: ").append(depends).append("\n");
            sb.append("Maintainer: ").append(maintainer).append("\n");
            sb.append("Description: ").append(description).append("\n");

            controlFileData = sb.toString().getBytes();
        }

        TarArchiveEntry tarEntry = new TarArchiveEntry("control");
        tarEntry.setGroupId(0);
        tarEntry.setGroupName("root");
        tarEntry.setIds(0, 0);
        tarEntry.setModTime(System.currentTimeMillis());
        tarEntry.setSize(controlFileData.length);
        tarEntry.setUserId(0);
        tarEntry.setUserName("root");

        state.addPath(DebComponent.CONTROL, new BytesArchivePath(tarEntry, controlFileData));
    }

    private static final void require(String name, String value) {
        if (value == null || value.trim().length() == 0) {
            throw new RuntimeException("Control parameter " + name + " is required.");
        }
    }

    public String getPackageName() {
        return packageName;
    }

    public void setPackageName(String packageName) {
        this.packageName = packageName;
    }

    public String getVersion() {
        return version;
    }

    public void setVersion(String version) {
        this.version = version;
    }

    public String getArchitecture() {
        return architecture;
    }

    public void setArchitecture(String architecture) {
        this.architecture = architecture;
    }

    public String getDepends() {
        return depends;
    }

    public void setDepends(String depends) {
        this.depends = depends;
    }

    public String getMaintainer() {
        return maintainer;
    }

    public void setMaintainer(String maintainer) {
        this.maintainer = maintainer;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }
}