--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/core/runtime/Status.d	Wed Mar 26 00:57:19 2008 +0100
@@ -0,0 +1,282 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2006 IBM Corporation and others.
+ * 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:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+module dwtx.core.runtime.Status;
+
+import dwtx.core.internal.runtime.IRuntimeConstants;
+import dwtx.core.internal.runtime.LocalizationUtils;
+import dwtx.core.runtime.IStatus;
+import dwtx.core.runtime.Assert;
+
+import dwt.dwthelper.utils;
+import tango.text.convert.Format;
+
+/**
+ * A concrete status implementation, suitable either for
+ * instantiating or subclassing.
+ * <p>
+ * This class can be used without OSGi running.
+ * </p>
+ */
+public class Status : IStatus {
+
+    /**
+     * A standard OK status with an "ok"  message.
+     *
+     * @since 3.0
+     */
+    public static const IStatus OK_STATUS;
+    /**
+     * A standard CANCEL status with no message.
+     *
+     * @since 3.0
+     */
+    public static const IStatus CANCEL_STATUS;
+
+    static this(){
+        OK_STATUS = new Status(OK, IRuntimeConstants.PI_RUNTIME, OK, LocalizationUtils.safeLocalize("ok"), null); //$NON-NLS-1$
+        CANCEL_STATUS = new Status(CANCEL, IRuntimeConstants.PI_RUNTIME, 1, "", null); //$NON-NLS-1$
+    }
+
+    /**
+     * The severity. One of
+     * <ul>
+     * <li><code>CANCEL</code></li>
+     * <li><code>ERROR</code></li>
+     * <li><code>WARNING</code></li>
+     * <li><code>INFO</code></li>
+     * <li>or <code>OK</code> (0)</li>
+     * </ul>
+     */
+    private int severity = OK;
+
+    /** Unique identifier of plug-in.
+     */
+    private String pluginId;
+
+    /** Plug-in-specific status code.
+     */
+    private int code;
+
+    /** Message, localized to the current locale.
+     */
+    private String message;
+
+    /** Wrapped exception, or <code>null</code> if none.
+     */
+    private Exception exception = null;
+
+    /** Constant to avoid generating garbage.
+     */
+    private static const IStatus[] theEmptyStatusArray = null;
+
+    /**
+     * Creates a new status object.  The created status has no children.
+     *
+     * @param severity the severity; one of <code>OK</code>, <code>ERROR</code>,
+     * <code>INFO</code>, <code>WARNING</code>,  or <code>CANCEL</code>
+     * @param pluginId the unique identifier of the relevant plug-in
+     * @param code the plug-in-specific status code, or <code>OK</code>
+     * @param message a human-readable message, localized to the
+     *    current locale
+     * @param exception a low-level exception, or <code>null</code> if not
+     *    applicable
+     */
+    public this(int severity, String pluginId, int code, String message, Exception exception) {
+        setSeverity(severity);
+        setPlugin(pluginId);
+        setCode(code);
+        setMessage(message);
+        setException(exception);
+    }
+
+    /**
+     * Simplified constructor of a new status object; assumes that code is <code>OK</code>.
+     * The created status has no children.
+     *
+     * @param severity the severity; one of <code>OK</code>, <code>ERROR</code>,
+     * <code>INFO</code>, <code>WARNING</code>,  or <code>CANCEL</code>
+     * @param pluginId the unique identifier of the relevant plug-in
+     * @param message a human-readable message, localized to the
+     *    current locale
+     * @param exception a low-level exception, or <code>null</code> if not
+     *    applicable
+     *
+     * @since dwtx.equinox.common 3.3
+     */
+    public this(int severity, String pluginId, String message, Exception exception) {
+        setSeverity(severity);
+        setPlugin(pluginId);
+        setMessage(message);
+        setException(exception);
+        setCode(OK);
+    }
+
+    /**
+     * Simplified constructor of a new status object; assumes that code is <code>OK</code> and
+     * exception is <code>null</code>. The created status has no children.
+     *
+     * @param severity the severity; one of <code>OK</code>, <code>ERROR</code>,
+     * <code>INFO</code>, <code>WARNING</code>,  or <code>CANCEL</code>
+     * @param pluginId the unique identifier of the relevant plug-in
+     * @param message a human-readable message, localized to the
+     *    current locale
+     *
+     * @since dwtx.equinox.common 3.3
+     */
+    public this(int severity, String pluginId, String message) {
+        setSeverity(severity);
+        setPlugin(pluginId);
+        setMessage(message);
+        setCode(OK);
+        setException(null);
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public IStatus[] getChildren() {
+        return theEmptyStatusArray;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public int getCode() {
+        return code;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public Exception getException() {
+        return exception;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public String getMessage() {
+        return message;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public String getPlugin() {
+        return pluginId;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public int getSeverity() {
+        return severity;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public bool isMultiStatus() {
+        return false;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public bool isOK() {
+        return severity is OK;
+    }
+
+    /* (Intentionally not javadoc'd)
+     * Implements the corresponding method on <code>IStatus</code>.
+     */
+    public bool matches(int severityMask) {
+        return (severity & severityMask) !is 0;
+    }
+
+    /**
+     * Sets the status code.
+     *
+     * @param code the plug-in-specific status code, or <code>OK</code>
+     */
+    protected void setCode(int code) {
+        this.code = code;
+    }
+
+    /**
+     * Sets the exception.
+     *
+     * @param exception a low-level exception, or <code>null</code> if not
+     *    applicable
+     */
+    protected void setException(Exception exception) {
+        this.exception = exception;
+    }
+
+    /**
+     * Sets the message. If null is passed, message is set to an empty
+     * string.
+     *
+     * @param message a human-readable message, localized to the
+     *    current locale
+     */
+    protected void setMessage(String message) {
+        if (message is null)
+            this.message = ""; //$NON-NLS-1$
+        else
+            this.message = message;
+    }
+
+    /**
+     * Sets the plug-in id.
+     *
+     * @param pluginId the unique identifier of the relevant plug-in
+     */
+    protected void setPlugin(String pluginId) {
+        Assert.isLegal(pluginId !is null && pluginId.length > 0);
+        this.pluginId = pluginId;
+    }
+
+    /**
+     * Sets the severity.
+     *
+     * @param severity the severity; one of <code>OK</code>, <code>ERROR</code>,
+     * <code>INFO</code>, <code>WARNING</code>,  or <code>CANCEL</code>
+     */
+    protected void setSeverity(int severity) {
+        Assert.isLegal(severity is OK || severity is ERROR || severity is WARNING || severity is INFO || severity is CANCEL);
+        this.severity = severity;
+    }
+
+    /**
+     * Returns a string representation of the status, suitable
+     * for debugging purposes only.
+     */
+    public String toString() {
+        String sev;
+        if (severity is OK) {
+            sev="OK"; //$NON-NLS-1$
+        } else if (severity is ERROR) {
+            sev="ERROR"; //$NON-NLS-1$
+        } else if (severity is WARNING) {
+            sev="WARNING"; //$NON-NLS-1$
+        } else if (severity is INFO) {
+            sev="INFO"; //$NON-NLS-1$
+        } else if (severity is CANCEL) {
+            sev="CANCEL"; //$NON-NLS-1$
+        } else {
+            sev=Format( "severity={}", severity);
+        }
+        return Format("Status {}: {} code={} {} {}", sev, pluginId, code, message, exception.toString );
+    }
+}