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Package: ProjectNature
ProjectNature
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| ProjectNature(String, String) |
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| configure() |
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| deconfigure() |
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| getProject() |
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| hasNature(IProject) |
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| setProject(IProject) |
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| toggleNature(IProject, String) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2019 EclipseSource Muenchen GmbH 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: * EclipseSource - initial API and implementation
13: ******************************************************************************/
14: package org.eclipse.emfforms.ide.internal.builder;
15:
16: import org.eclipse.core.resources.ICommand;
17: import org.eclipse.core.resources.IProject;
18: import org.eclipse.core.resources.IProjectDescription;
19: import org.eclipse.core.resources.IProjectNature;
20: import org.eclipse.core.runtime.CoreException;
21:
22: /**
23: * Common project nature implementation.
24: */
25: public abstract class ProjectNature implements IProjectNature {
26:
27: private final String id;
28: private final String builder;
29: private IProject project;
30:
31: /**
32: * Initializes me with my unique identifier and builder ID.
33: *
34: * @param id my unique identifier
35: * @param builder my builder
36: */
37: protected ProjectNature(String id, String builder) {
38: super();
39:
40: this.id = id;
41: this.builder = builder;
42: }
43:
44: @Override
45: public void configure() throws CoreException {
46:• if (builder == null) {
47: // Nothing to configure;
48: return;
49: }
50:
51: final IProjectDescription desc = project.getDescription();
52: final ICommand[] commands = desc.getBuildSpec();
53:
54:• for (int i = 0; i < commands.length; ++i) {
55:• if (commands[i].getBuilderName().equals(builder)) {
56: return;
57: }
58: }
59:
60: final ICommand[] newCommands = new ICommand[commands.length + 1];
61: System.arraycopy(commands, 0, newCommands, 0, commands.length);
62: final ICommand command = desc.newCommand();
63: command.setBuilderName(builder);
64: newCommands[newCommands.length - 1] = command;
65: desc.setBuildSpec(newCommands);
66: project.setDescription(desc, null);
67: }
68:
69: @Override
70: public void deconfigure() throws CoreException {
71:• if (builder == null) {
72: // Nothing to deconfigure;
73: return;
74: }
75:
76: final IProjectDescription description = getProject().getDescription();
77: final ICommand[] commands = description.getBuildSpec();
78:• for (int i = 0; i < commands.length; ++i) {
79:• if (commands[i].getBuilderName().equals(builder)) {
80: final ICommand[] newCommands = new ICommand[commands.length - 1];
81: System.arraycopy(commands, 0, newCommands, 0, i);
82: System.arraycopy(commands, i + 1, newCommands, i,
83: commands.length - i - 1);
84: description.setBuildSpec(newCommands);
85: project.setDescription(description, null);
86: return;
87: }
88: }
89: }
90:
91: @Override
92: public IProject getProject() {
93: return project;
94: }
95:
96: @Override
97: public void setProject(IProject project) {
98: this.project = project;
99: }
100:
101: /**
102: * Query whether a {@code project} has my nature.
103: *
104: * @param project a project
105: * @return whether it has my nature
106: */
107: public boolean hasNature(IProject project) {
108: try {
109: return project.hasNature(id);
110: } catch (final CoreException e) {
111: // It doesn't have our nature, then
112: return false;
113: }
114: }
115:
116: /**
117: * Toggles a nature on a project.
118: *
119: * @param project
120: * to have sample nature added or removed
121: * @param natureID the nature ID to toggle
122: * @throws CoreException issue while toggling nature
123: */
124: public static void toggleNature(IProject project, String natureID) throws CoreException {
125: final IProjectDescription description = project.getDescription();
126: final String[] natures = description.getNatureIds();
127:
128:• for (int i = 0; i < natures.length; ++i) {
129:• if (natureID.equals(natures[i])) {
130: // Remove the nature
131: final String[] newNatures = new String[natures.length - 1];
132: System.arraycopy(natures, 0, newNatures, 0, i);
133: System.arraycopy(natures, i + 1, newNatures, i, natures.length - i - 1);
134: description.setNatureIds(newNatures);
135: project.setDescription(description, null);
136: return;
137: }
138: }
139:
140: // Add the nature
141: final String[] newNatures = new String[natures.length + 1];
142: System.arraycopy(natures, 0, newNatures, 0, natures.length);
143: newNatures[natures.length] = natureID;
144: description.setNatureIds(newNatures);
145: project.setDescription(description, null);
146: }
147:
148: }