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 * CruiseControl, a Continuous Integration Toolkit
 * Copyright (c) 2003, ThoughtWorks, Inc.
 * 200 E. Randolph, 25th Floor
 * Chicago, IL 60601 USA
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
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 *     + Redistributions in binary form must reproduce the above
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 *       names of its contributors may be used to endorse or promote
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package net.sourceforge.cruisecontrol.taglib;

import java.io.IOException;
import java.io.Writer;
import javax.servlet.jsp.JspException;

import net.sourceforge.cruisecontrol.BuildStatus;
import net.sourceforge.cruisecontrol.util.CCTagException;

/**
 * JSP tag to display the current build status.
 *
 * @author Unknown
 * @author <a href="mailto:jeffjensen@upstairstechnology.com">Jeff Jensen </a>
 */
public class CurrentBuildStatusTag extends CruiseControlTagSupport {

    private boolean insertBreaks = true;

    public int doEndTag() throws JspException {
        boolean isSingleProject = isSingleProject();
        String logDir = getBaseLogDir();
        String projectName = getProject();
        String currentBuildFileName = getFileName();

        final String status;

        if (insertBreaks) {
            status = BuildStatus.getStatusHtml(isSingleProject, logDir, projectName, currentBuildFileName,
                BuildStatus.READ_ALL_LINES);
        } else {
            status = BuildStatus.getStatusPlain(isSingleProject, logDir, projectName, currentBuildFileName,
                BuildStatus.READ_ALL_LINES);
        }

        Writer out = getPageContext().getOut();

        try {
            out.write(status);
        } catch (IOException e) {
            err(e);
            throw new CCTagException("Error writing status to JSP out: " + e.getMessage(), e);
        }

        return EVAL_PAGE;
    }

    public void setInsertBreaks(boolean insertBreaks) {
        this.insertBreaks = insertBreaks;
    }

    private String getFileName() {
        String currentBuildFileName = getContextParam("currentBuildStatusFile");
        if (currentBuildFileName == null || currentBuildFileName.equals("")) {
            err("CruiseControl: currentBuildStatusFile not defined in the web.xml");
            return null;
        }
        return currentBuildFileName;
    }
}