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comparison dwtx/core/runtime/MultiStatus.d @ 3:6518c18a01f7

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eclipse.core package without osgi dependencies
author Frank Benoit <benoit@tionex.de>
date Wed, 26 Mar 2008 00:57:19 +0100
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2:a012107a911c 3:6518c18a01f7
1 /*******************************************************************************
2 * Copyright (c) 2000, 2006 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 *******************************************************************************/
13 module dwtx.core.runtime.MultiStatus;
14
15 import dwtx.core.runtime.Assert;
16 import dwtx.core.runtime.Status;
17 import dwtx.core.runtime.IStatus;
18
19 import dwt.dwthelper.utils;
20 static import tango.text.Text;
21
22 /**
23 * A concrete multi-status implementation,
24 * suitable either for instantiating or subclassing.
25 * <p>
26 * This class can be used without OSGi running.
27 * </p>
28 */
29 public class MultiStatus : Status {
30
31 /** List of child statuses.
32 */
33 private IStatus[] children;
34
35 /**
36 * Creates and returns a new multi-status object with the given children.
37 *
38 * @param pluginId the unique identifier of the relevant plug-in
39 * @param code the plug-in-specific status code
40 * @param newChildren the list of children status objects
41 * @param message a human-readable message, localized to the
42 * current locale
43 * @param exception a low-level exception, or <code>null</code> if not
44 * applicable
45 */
46 public this(String pluginId, int code, IStatus[] newChildren, String message, Exception exception) {
47 this(pluginId, code, message, exception);
48 Assert.isLegal(newChildren !is null);
49 int maxSeverity = getSeverity();
50 for (int i = 0; i < newChildren.length; i++) {
51 Assert.isLegal(newChildren[i] !is null);
52 int severity = newChildren[i].getSeverity();
53 if (severity > maxSeverity)
54 maxSeverity = severity;
55 }
56 this.children = new IStatus[newChildren.length];
57 setSeverity(maxSeverity);
58 SimpleType!(IStatus).arraycopy(newChildren, 0, this.children, 0, newChildren.length);
59 }
60
61 /**
62 * Creates and returns a new multi-status object with no children.
63 *
64 * @param pluginId the unique identifier of the relevant plug-in
65 * @param code the plug-in-specific status code
66 * @param message a human-readable message, localized to the
67 * current locale
68 * @param exception a low-level exception, or <code>null</code> if not
69 * applicable
70 */
71 public this(String pluginId, int code, String message, Exception exception) {
72 super(OK, pluginId, code, message, exception);
73 children = new IStatus[0];
74 }
75
76 /**
77 * Adds the given status to this multi-status.
78 *
79 * @param status the new child status
80 */
81 public void add(IStatus status) {
82 Assert.isLegal(status !is null);
83 IStatus[] result = new IStatus[children.length + 1];
84 SimpleType!(IStatus).arraycopy(children, 0, result, 0, children.length);
85 result[result.length - 1] = status;
86 children = result;
87 int newSev = status.getSeverity();
88 if (newSev > getSeverity()) {
89 setSeverity(newSev);
90 }
91 }
92
93 /**
94 * Adds all of the children of the given status to this multi-status.
95 * Does nothing if the given status has no children (which includes
96 * the case where it is not a multi-status).
97 *
98 * @param status the status whose children are to be added to this one
99 */
100 public void addAll(IStatus status) {
101 Assert.isLegal(status !is null);
102 IStatus[] statuses = status.getChildren();
103 for (int i = 0; i < statuses.length; i++) {
104 add(statuses[i]);
105 }
106 }
107
108 /* (Intentionally not javadoc'd)
109 * Implements the corresponding method on <code>IStatus</code>.
110 */
111 public IStatus[] getChildren() {
112 return children;
113 }
114
115 /* (Intentionally not javadoc'd)
116 * Implements the corresponding method on <code>IStatus</code>.
117 */
118 public bool isMultiStatus() {
119 return true;
120 }
121
122 /**
123 * Merges the given status into this multi-status.
124 * Equivalent to <code>add(status)</code> if the
125 * given status is not a multi-status.
126 * Equivalent to <code>addAll(status)</code> if the
127 * given status is a multi-status.
128 *
129 * @param status the status to merge into this one
130 * @see #add(IStatus)
131 * @see #addAll(IStatus)
132 */
133 public void merge(IStatus status) {
134 Assert.isLegal(status !is null);
135 if (!status.isMultiStatus()) {
136 add(status);
137 } else {
138 addAll(status);
139 }
140 }
141
142 /**
143 * Returns a string representation of the status, suitable
144 * for debugging purposes only.
145 */
146 public String toString() {
147 tango.text.Text.Text!(char) buf = new tango.text.Text.Text!(char);
148 buf.append(super.toString());
149 buf.append(" children=["); //$NON-NLS-1$
150 for (int i = 0; i < children.length; i++) {
151 if (i !is 0) {
152 buf.append(" "); //$NON-NLS-1$
153 }
154 buf.append( (cast(Object)children[i]).toString());
155 }
156 buf.append("]"); //$NON-NLS-1$
157 return buf.toString();
158 }
159 }