com.buildml.main.commands.CliCommandShowDerivedFiles.java Source code

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Here is the source code for com.buildml.main.commands.CliCommandShowDerivedFiles.java

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/*******************************************************************************
 * Copyright (c) 2011 Arapiki Solutions Inc.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    "Peter Smith <psmith@arapiki.com>" - initial API and 
 *        implementation and/or initial documentation
 *******************************************************************************/

package com.buildml.main.commands;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;

import com.buildml.main.CliUtils;
import com.buildml.model.IBuildStore;
import com.buildml.model.IFileMgr;
import com.buildml.model.IReportMgr;
import com.buildml.model.types.FileSet;

/**
 * BuildML CLI Command class that implements the "show-derived-files" command.
 * 
 * @author "Peter Smith <psmith@arapiki.com>"
 */
public class CliCommandShowDerivedFiles extends CliCommandShowFiles {

    /*=====================================================================================*
     * FIELDS/TYPES
     *=====================================================================================*/

    /** Set if we should show all the indirect files too. */
    protected static boolean optionAll = false;

    /*=====================================================================================*
     * PUBLIC METHODS
     *=====================================================================================*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#getLongDescription()
     */
    @Override
    public String getLongDescription() {
        return CliUtils.genLocalizedMessage("#include commands/show-derived-files.txt");
    }

    /*-------------------------------------------------------------------------------------*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#getName()
     */
    @Override
    public String getName() {
        return "show-derived-files";
    }

    /*-------------------------------------------------------------------------------------*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#getOptions()
     */
    @Override
    public Options getOptions() {

        /* start with the standard show-files options */
        Options opts = super.getOptions();

        /* add the --all option */
        Option allOpt = new Option("a", "all", false, "Also show indirectly derived files.");
        opts.addOption(allOpt);

        return opts;
    }

    /*-------------------------------------------------------------------------------------*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#getParameterDescription()
     */
    @Override
    public String getParameterDescription() {
        return "<path-spec>:...";
    }

    /*-------------------------------------------------------------------------------------*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#getShortDescription()
     */
    @Override
    public String getShortDescription() {
        return "List the files that are derived from the input files.";
    }

    /*-------------------------------------------------------------------------------------*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#processOptions(org.apache.commons.cli.CommandLine)
     */
    @Override
    public void processOptions(IBuildStore buildStore, CommandLine cmdLine) {

        /* Handle the default show-files options first */
        super.processOptions(buildStore, cmdLine);

        /* we also support the -a/--all flags */
        optionAll = cmdLine.hasOption("all");
    }

    /*-------------------------------------------------------------------------------------*/

    /* (non-Javadoc)
     * @see com.buildml.main.ICliCommand#invoke(com.buildml.model.BuildStore, java.lang.String[])
     */
    @Override
    public void invoke(IBuildStore buildStore, String buildStorePath, String[] args) {

        CliUtils.validateArgs(getName(), args, 1, 1, "One or more colon-separated path-specs must be provided.");

        IFileMgr fileMgr = buildStore.getFileMgr();
        IReportMgr reportMgr = buildStore.getReportMgr();

        /* fetch the list of files that are the source of the derivation */
        FileSet sourceFileSet = CliUtils.getCmdLineFileSet(fileMgr, args[0]);
        if (sourceFileSet != null) {
            sourceFileSet.populateWithParents();
        }

        /* get list of derived files, and add their parent paths */
        FileSet derivedFileSet = reportMgr.reportDerivedFiles(sourceFileSet, optionAll);
        derivedFileSet.populateWithParents();

        /* pretty print the results - no filtering used here */
        CliUtils.printFileSet(System.out, buildStore, derivedFileSet, filterFileSet, optionShowRoots,
                optionShowPkgs);
    }

    /*-------------------------------------------------------------------------------------*/
}