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import org.eclipse.core.runtime.CoreException; |
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import org.eclipse.core.runtime.CoreException; |
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import org.eclipse.core.runtime.IPath; |
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import org.eclipse.core.runtime.IPath; |
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import org.eclipse.core.runtime.IStatus; |
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import org.eclipse.core.runtime.Status; |
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import org.eclipse.jdt.internal.core.JavaModelStatus; |
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/** |
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/** |
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* Abstract base implementation of all classpath container initializer. |
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* Abstract base implementation of all classpath container initializer. |
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*/ |
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*/ |
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public abstract class ClasspathContainerInitializer { |
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public abstract class ClasspathContainerInitializer { |
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/** |
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public static final int ATTRIBUTE_NOT_SUPPORTED= 1; |
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public static final int ATTRIBUTE_NOT_MODIFIABLE= 2; |
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public static final int INVALID_VALUE= 3; |
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/** |
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* Creates a new classpath container initializer. |
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* Creates a new classpath container initializer. |
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*/ |
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*/ |
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public ClasspathContainerInitializer() { |
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public ClasspathContainerInitializer() { |
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// a classpath container initializer must have a public 0-argument constructor |
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// a classpath container initializer must have a public 0-argument constructor |
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} |
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} |
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/** |
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* Return whether attributes of a given classpath container classpath entry |
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* can be modified or not. |
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* <p> |
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* The returned status is {@link IStatus#isOK()} if the attributes |
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* are supported, modifiable and optionally have a valid value.<br> |
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* Otherwise (i.e. if {@link IStatus#ERROR} is returned), then the |
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* {@link IStatus#getCode()} can have one of the following value: |
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* <ul> |
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* <li>{@link #ATTRIBUTE_NOT_SUPPORTED}: at least one attribute |
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* is not supported</li> |
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* <li>{@link #ATTRIBUTE_NOT_MODIFIABLE}: all attributes are supported |
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* but at least one is not modifiable</li> |
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* <li>{@link #INVALID_VALUE}: all attributes are supported and modifiable |
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* but at least one has an invalid value</li> |
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* </ul> |
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* The status message can contain more information. |
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* </p><p> |
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* The attributes to be tested are the attributes of the class path entry |
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* that are not set to their default value and all extra classpath attributes |
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* returned by the entries {@link IClasspathEntry#getExtraAttributes()}. |
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* </p><p> |
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* Default values for the built in attributes are: |
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* <ul><li>{@link IClasspathEntry#getSourceAttachmentPath() |
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* source attachment path}: <code>null</code></li> |
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* <li>{@link IClasspathEntry#getSourceAttachmentRootPath() |
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* source attachment root path}: <code>null</code></li> |
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* <li>{@link IClasspathEntry#getAccessRules() access rules}: |
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* <code>empty array of IAccessRule</code></li> |
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* <li>{@link IClasspathEntry#combineAccessRules() |
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* combineAccessRules}: <code>true</code></li> |
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* </ul> |
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* If <code>testValue</code> is set, the value is also tested for validity. |
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* If not set, all values are accepted. |
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* </p> |
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* |
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* @param containerPath the path of the container which requires to be |
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* updated |
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* @param project the project for which the container is to be updated |
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* @param entry an entry of the classpath container with all attributes set |
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* that need to be tested. Set means a value that is not the attributes |
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* default value. |
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* @param testValue if set the value is also tested |
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* @return returns the resulting status |
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* |
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* @since 3.3 |
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*/ |
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public IStatus canUpdateChildAttributes(IPath containerPath, |
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IJavaProject project, IClasspathEntry entry, boolean testValue) { |
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if (canUpdateClasspathContainer(containerPath, project)) { |
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return Status.OK_STATUS; |
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} |
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return new JavaModelStatus(ATTRIBUTE_NOT_MODIFIABLE); |
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} |
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/** |
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/** |
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* Binds a classpath container to a <code>IClasspathContainer</code> for a given project, |
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* Binds a classpath container to a <code>IClasspathContainer</code> for a given project, |
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* or silently fails if unable to do so. |
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* or silently fails if unable to do so. |
