|
1 /* |
|
2 * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: |
|
15 * |
|
16 * Handles adding of DataProcessors to the list |
|
17 * |
|
18 */ |
|
19 package com.nokia.traceviewer.api; |
|
20 |
|
21 import java.util.HashMap; |
|
22 import java.util.Iterator; |
|
23 import java.util.List; |
|
24 import java.util.Map; |
|
25 |
|
26 import com.nokia.traceviewer.api.TraceViewerAPI.TVAPIError; |
|
27 import com.nokia.traceviewer.engine.TraceViewerGlobals; |
|
28 import com.nokia.traceviewer.engine.TraceViewerViewInterface; |
|
29 import com.nokia.traceviewer.engine.dataprocessor.DataProcessor; |
|
30 import com.nokia.traceviewer.engine.dataprocessor.Decoder; |
|
31 import com.nokia.traceviewer.engine.dataprocessor.FilterProcessor; |
|
32 |
|
33 /** |
|
34 * Handles adding of DataProcessors to the list |
|
35 */ |
|
36 final class DataProcessorAdder { |
|
37 |
|
38 /** |
|
39 * Locations map |
|
40 */ |
|
41 private Map<DataProcessor, DataProcessorLocation> locations; |
|
42 |
|
43 /** |
|
44 * Adds DataProcessor to the DataProcessors list and keeps track of the |
|
45 * locations |
|
46 * |
|
47 * @param dp |
|
48 * Dataprocessor |
|
49 * @param location |
|
50 * location |
|
51 * @param priority |
|
52 * priority of the DataProcessor |
|
53 * @return error code from TraceViewerAPI |
|
54 */ |
|
55 public TVAPIError addDataProcessor(DataProcessor dp, DPLocation location, |
|
56 int priority) { |
|
57 TVAPIError errorCode = TVAPIError.NONE; |
|
58 |
|
59 // Create new dataprocessor location object |
|
60 DataProcessorLocation newLocation = new DataProcessorLocation(location, |
|
61 priority); |
|
62 |
|
63 // Create the map if it doesn't exist |
|
64 if (locations == null) { |
|
65 locations = new HashMap<DataProcessor, DataProcessorLocation>(); |
|
66 } |
|
67 |
|
68 List<DataProcessor> list = TraceViewerGlobals.getTraceViewer() |
|
69 .getDataProcessorAccess().getDataProcessorList(); |
|
70 |
|
71 int decoderPos = 0; |
|
72 int filterPos = 0; |
|
73 int viewStartPos = 0; |
|
74 int viewEndPos = 0; |
|
75 |
|
76 // Loop through the list and gather the positions |
|
77 for (int i = 0; i < list.size(); i++) { |
|
78 if (list.get(i) instanceof Decoder) { |
|
79 decoderPos = i; |
|
80 } else if (list.get(i) instanceof FilterProcessor) { |
|
81 filterPos = i; |
|
82 } else if (list.get(i) instanceof TraceViewerViewInterface) { |
|
83 if (viewStartPos == 0) { |
|
84 viewStartPos = i; |
|
85 viewEndPos = i; |
|
86 } else { |
|
87 viewEndPos = i; |
|
88 } |
|
89 } |
|
90 } |
|
91 |
|
92 // Check if this DataProcessor already exists in the list. If so, don't |
|
93 // add anything and return error |
|
94 if (locations.containsKey(dp)) { |
|
95 errorCode = TVAPIError.DATAPROCESSOR_ALREADY_ADDED; |
|
96 |
|
97 // If DataProcessor doesn't exist, add it to the list |
|
98 } else { |
|
99 // Add the dataprocessor to a right place |
|
100 addToRightPlace(dp, location, priority, list, decoderPos, |
|
101 filterPos, viewStartPos, viewEndPos); |
|
102 |
|
103 // Add location to the list |
|
104 locations.put(dp, newLocation); |
|
105 } |
|
106 |
|
107 return errorCode; |
|
108 |
|
109 } |
|
110 |
|
111 /** |
|
112 * Adds the dataprocessor to the right place in the DataProcessor list |
|
113 * |
|
114 * @param dp |
|
115 * the dataprocessor |
|
116 * @param location |
|
117 * location where to add the dataprocessor |
|
118 * @param priority |
|
119 * priority of the dataprocessor |
|
120 * @param list |
|
121 * list of dataprocessors |
|
122 * @param decoderPos |
|
123 * position of decoder in the list |
|
124 * @param filterPos |
|
125 * position of filter in the list |
|
126 * @param viewStartPos |
|
127 * position of first view in the list |
|
128 * @param viewEndPos |
|
129 * position of last view in the list |
|
130 */ |
|
131 private void addToRightPlace(DataProcessor dp, DPLocation location, |
|
132 int priority, List<DataProcessor> list, int decoderPos, |
|
133 int filterPos, int viewStartPos, int viewEndPos) { |
|
134 |
|
135 // Calculate how many dataprocessors there are with the same Location |
|
136 // with smaller and bigger prioritys |
|
137 int smallerPrioritys = 0; |
|
138 int higherPrioritys = 0; |
|
139 |
|
140 Iterator<DataProcessorLocation> iterator = locations.values() |
|
141 .iterator(); |
|
142 while (iterator.hasNext()) { |
|
143 DataProcessorLocation loc = iterator.next(); |
|
144 if (loc.getLocation() == location) { |
|
145 if (loc.getPriority() > priority) { |
|
146 higherPrioritys++; |
|
147 } else { |
|
148 smallerPrioritys++; |
|
149 } |
|
150 } |
|
151 } |
|
152 |
|
153 // Switch the location |
|
154 switch (location) { |
|
155 |
|
156 case BEFORE_DECODER: |
|
157 list.add(decoderPos - smallerPrioritys, dp); |
|
158 break; |
|
159 case AFTER_DECODER: |
|
160 list.add(decoderPos + 1 + higherPrioritys, dp); |
|
161 break; |
|
162 case BEFORE_FILTER: |
|
163 list.add(filterPos - smallerPrioritys, dp); |
|
164 break; |
|
165 case AFTER_FILTER: |
|
166 list.add(filterPos + 1 + higherPrioritys, dp); |
|
167 break; |
|
168 case BEFORE_VIEW: |
|
169 list.add(viewStartPos - smallerPrioritys, dp); |
|
170 break; |
|
171 case AFTER_VIEW: |
|
172 list.add(viewEndPos + 1 + higherPrioritys, dp); |
|
173 break; |
|
174 default: |
|
175 break; |
|
176 } |
|
177 } |
|
178 |
|
179 /** |
|
180 * Removes DataProcessor from the list of DataProcessors |
|
181 * |
|
182 * @param dataProcessor |
|
183 * the DataProcessor to be removed |
|
184 * @return error code from TraceViewerAPI |
|
185 */ |
|
186 public TVAPIError removeDataProcessor(DataProcessor dataProcessor) { |
|
187 TVAPIError errorCode = TVAPIError.DATAPROCESSOR_NOT_FOUND; |
|
188 |
|
189 // Check if the DataProcessor can be found from the list |
|
190 if (locations != null && locations.containsKey(dataProcessor)) { |
|
191 |
|
192 // Remove DataProcessor from the list and from the locations |
|
193 boolean removed = TraceViewerGlobals.getTraceViewer() |
|
194 .getDataProcessorAccess().getDataProcessorList().remove( |
|
195 dataProcessor); |
|
196 |
|
197 if (removed) { |
|
198 errorCode = TVAPIError.NONE; |
|
199 } |
|
200 locations.remove(dataProcessor); |
|
201 } |
|
202 return errorCode; |
|
203 } |
|
204 } |