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Package: Properties$Property
Properties$Property
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| Properties.Property(String, String) |
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| setValue(String) |
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| toString() |
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Coverage
1: /********************************************************************************
2: * Copyright (c) 2011 Eike Stepper (Berlin, Germany) and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Eike Stepper - initial API and implementation
13: ********************************************************************************/
14: package org.eclipse.emf.ecp.internal.core.util;
15:
16: import java.io.IOException;
17: import java.io.ObjectInput;
18: import java.io.ObjectOutput;
19: import java.util.Collection;
20: import java.util.Collections;
21: import java.util.Map;
22: import java.util.Map.Entry;
23: import java.util.Set;
24:
25: import org.eclipse.emf.ecp.core.util.ECPProperties;
26: import org.eclipse.emf.ecp.core.util.ECPUtil;
27: import org.eclipse.emf.ecp.core.util.observer.ECPPropertiesObserver;
28:
29: /**
30: * @author Eike Stepper
31: */
32: public class Properties extends Registry<Map.Entry<String, String>, ECPPropertiesObserver> implements ECPProperties {
33: /**
34: * Default constructor.
35: */
36: public Properties() {
37: activate();
38: }
39:
40: public Properties(ObjectInput in) throws IOException {
41: activate();
42: final int count = in.readInt();
43: for (int i = 0; i < count; i++) {
44: final String key = in.readUTF();
45: final String value = in.readUTF();
46: addProperty(key, value);
47: }
48:
49: }
50:
51: public void write(ObjectOutput out) throws IOException {
52: final Collection<Entry<String, String>> entries = getElementsToWrite();
53: out.writeInt(entries.size());
54: for (final Entry<String, String> entry : entries) {
55: out.writeUTF(entry.getKey());
56: out.writeUTF(entry.getValue());
57: }
58: }
59:
60: /** {@inheritDoc} */
61: @Override
62: public void addProperty(String key, String value) {
63: final Map.Entry<String, String> property = new Property(key, value);
64: doChangeElements(null, Collections.singleton(property));
65: }
66:
67: /** {@inheritDoc} */
68: @Override
69: public void removeProperty(String key) {
70: doChangeElements(Collections.singleton(key), null);
71: }
72:
73: /** {@inheritDoc} */
74: @Override
75: public String getValue(String name) {
76: final Entry<String, String> element = getElement(name);
77: return element == null ? null : element.getValue();
78: }
79:
80: /** {@inheritDoc} */
81: @Override
82: public Set<String> getKeys() {
83: return getElementNames();
84: }
85:
86: /** {@inheritDoc} */
87: @Override
88: public Collection<Map.Entry<String, String>> getProperties() {
89: return getElements();
90: }
91:
92: /** {@inheritDoc} */
93: @Override
94: public boolean hasProperties() {
95: return hasElements();
96: }
97:
98: /** {@inheritDoc} */
99: @Override
100: public ECPProperties copy() {
101: final ECPProperties copy = ECPUtil.createProperties();
102: for (final Entry<String, String> property : getElements()) {
103: copy.addProperty(property.getKey(), property.getValue());
104: }
105:
106: return copy;
107: }
108:
109: @Override
110: protected String getElementName(Map.Entry<String, String> element) {
111: return element.getKey();
112: }
113:
114: protected Collection<Entry<String, String>> getElementsToWrite() {
115: return getElements();
116: }
117:
118: /*
119: * (non-Javadoc)
120: * @see
121: * org.eclipse.emf.ecp.internal.core.util.Registry#notifyObservers(org.eclipse.emf.ecp.core.util.observer.
122: * ECPObserver
123: * , ELEMENT[], ELEMENT[])
124: */
125: @Override
126: protected void notifyObservers(Collection<Map.Entry<String, String>> oldProperties,
127: Collection<Map.Entry<String, String>> newProperties) throws Exception {
128: ECPUtil.getECPObserverBus().notify(ECPPropertiesObserver.class)
129: .propertiesChanged(this, oldProperties, newProperties);
130: }
131:
132: // @Override
133: // @SuppressWarnings("unchecked")
134: // protected Map.Entry<String, String>[] createElementArray(int size) {
135: // return new Map.Entry[size];
136: // }
137:
138: /**
139: * @author Eike Stepper
140: */
141: public static final class Property implements Map.Entry<String, String> {
142: private final String key;
143:
144: private final String value;
145:
146: /**
147: * Default constructor.
148: *
149: * @param key the key of the property
150: * @param value the value of the property
151: */
152: public Property(String key, String value) {
153: this.key = key;
154: this.value = value;
155: }
156:
157: /** {@inheritDoc} */
158: @Override
159: public String getKey() {
160: return key;
161: }
162:
163: /** {@inheritDoc} */
164: @Override
165: public String getValue() {
166: return value;
167: }
168:
169: /** {@inheritDoc} */
170: @Override
171: public String setValue(String value) {
172: throw new UnsupportedOperationException();
173: }
174:
175: @Override
176: public String toString() {
177: return key + " --> " + value; //$NON-NLS-1$
178: }
179: }
180:
181: }