CommandLineUtil.java

package hudson.plugins.cmvc.util;

import hudson.Util;
import hudson.plugins.cmvc.CmvcChangeLogSet;
import hudson.plugins.cmvc.CmvcSCM;
import hudson.plugins.cmvc.CmvcChangeLogSet.CmvcChangeLog;
import hudson.util.ArgumentListBuilder;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;

import org.apache.commons.lang.StringUtils;

/**
 * Provides cmvc commands to {@link CmvcSCM}.
 * 
 * 
 * @author fuechi
 *
 */
public class CommandLineUtil {

	private CmvcSCM cmvcSCM = null;

	public CommandLineUtil(CmvcSCM cmvcSCM) {
		this.cmvcSCM = cmvcSCM;
	}

	/**
	 * Generates the command line for the Report command.
	 *
	 * For example:
	 *
	 * 'Report -raw -view TrackView -where "1=1"'
	 *
	 * @param strNow
	 *            String representing the current time
	 * @param strLastBuild
	 *            String representing the last build execution time
	 * @return new command line object
	 */
	public ArgumentListBuilder buildReportTrackViewCommand(String strNow,
			String strLastBuild) {
		ArgumentListBuilder command = buildBasicRawReportCommand("TrackView");
		command.add("-where");

		if (StringUtils.isEmpty(cmvcSCM.getTrackViewReportWhereClause())) {
			command.add("lastUpdate between " + strLastBuild + " and " + strNow 
					+ " and state = 'integrate' and releaseName in "
					+ convertToReleaseInClause(cmvcSCM.getReleases())
					+ " order by defectName");
		} else {
			Map<String, String> props = new HashMap<String, String>(2);
			props.put("now", strNow);
			props.put("lastBuild", strLastBuild);
			props.put("releases", convertToReleaseInClause(cmvcSCM
					.getReleases()));
			command.add(Util.replaceMacro(cmvcSCM
					.getTrackViewReportWhereClause(), props));
		}

		return command;
	}

	/**
	 * Generates the command line for the Report command.
	 *
	 * For example:
	 *
	 * 'Report -family family -raw -view ChangeView -where "defectName in () and
	 * releaseName in () order by defectName"'
	 *
	 * @param trackNames
	 * @return new command line object
	 */
	public ArgumentListBuilder buildReportChangeViewCommand(String[] trackNames) {
		ArgumentListBuilder command = buildBasicRawReportCommand("ChangeView");
		command.add("-where");
		command.add("defectName in " + convertToInClause(trackNames)
				+ " and releaseName in "
				+ convertToReleaseInClause(cmvcSCM.getReleases())
				+ " order by defectName , pathName , versionSID");
		return command;
	}

	/**
	 * @param changeLogSet
	 * @return
	 */
	public ArgumentListBuilder buildReportChangeViewCommand(
			CmvcChangeLogSet changeLogSet) {
		List<CmvcChangeLog> changeLogs = changeLogSet.getLogs();
		if (changeLogs.size() > 0) {
			Set<String> trackNames = new TreeSet<String>();
			for (CmvcChangeLog log : changeLogs)
				trackNames.add(log.getTrackName());
			return buildReportChangeViewCommand(trackNames
					.toArray(new String[0]));
		}
		return null;
	}

	private ArgumentListBuilder buildBasicRawReportCommand(String viewName) {
		ArgumentListBuilder command = new ArgumentListBuilder();
		command.add("Report");
		command.add("-family");
		command.add(cmvcSCM.getFamily());

		if (StringUtils.isNotEmpty(cmvcSCM.getBecome())) {
			command.add("-become");
			command.add(cmvcSCM.getBecome());
		}

		command.add("-raw");
		command.add("-view");
		command.add(viewName);
		return command;
	}

	/**
	 * @param releaseList
	 * @return
	 */
	public String convertToInClause(String[] releaseList) {
		StringBuffer buf = new StringBuffer("(");
		int length = releaseList.length;
		for (int i = 0; i < length; i++) {
			String temp = releaseList[i].trim();
			buf.append("'" + temp + "'");
			buf.append(i != length - 1 ? ", " : ")");
		}
		return buf.toString();
	}

	/**
	 * @param rel
	 * @return
	 */
	private String convertToReleaseInClause(String rel) {
		String[] releaseList = rel.split(",");
		return convertToInClause(releaseList);
	}

	public String convertToUnixQuotedParameter(String[] trackList) {
		int length = trackList.length;

		if (length < 1) {
			return "";
		}

		StringBuffer buf = new StringBuffer("");
		for (int i = 0; i < length; i++) {
			String temp = trackList[i].trim();
			buf.append(temp);
			buf.append(i != length - 1 ? " " : "");
		}
		return buf.toString();
	}
}