| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.wizards.buildpaths; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IStatus; |
| |
| import org.eclipse.jdt.core.ClasspathContainerInitializer; |
| import org.eclipse.jdt.core.IClasspathAttribute; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| |
| import org.eclipse.jdt.ui.wizards.ClasspathAttributeConfiguration.ClasspathAttributeAccess; |
| |
| |
| /** |
| */ |
| public class CPListElementAttribute { |
| |
| private CPListElement fParent; |
| private String fKey; |
| private Object fValue; |
| private final boolean fBuiltIn; |
| private IStatus fStatus; |
| |
| private ClasspathAttributeAccess fCachedAccess; |
| |
| public CPListElementAttribute(CPListElement parent, String key, Object value, boolean builtIn) { |
| fKey= key; |
| fValue= value; |
| fParent= parent; |
| fBuiltIn= builtIn; |
| if (!builtIn) { |
| Assert.isTrue(value instanceof String || value == null); |
| } |
| fStatus= getContainerChildStatus(); |
| } |
| |
| private CPListElementAttribute(boolean buildIn) { |
| fBuiltIn= buildIn; |
| } |
| |
| public IClasspathAttribute getClasspathAttribute() { |
| Assert.isTrue(!fBuiltIn); |
| return JavaCore.newClasspathAttribute(fKey, (String) fValue); |
| } |
| |
| public CPListElement getParent() { |
| return fParent; |
| } |
| |
| /** |
| * @return Returns <code>true</code> if the attribute is a built in attribute. |
| */ |
| public boolean isBuiltIn() { |
| return fBuiltIn; |
| } |
| |
| /** |
| * @return Returns <code>true</code> if the attribute a on a container child and is read-only |
| */ |
| public boolean isNonModifiable() { |
| if (fStatus != null && !fStatus.isOK()) { |
| return true; |
| } |
| if (fBuiltIn) { |
| if (this.fKey.equals(IClasspathAttribute.MODULE)) { |
| IJavaProject javaProject= fParent.getJavaProject(); |
| if (!JavaModelUtil.is9OrHigher(javaProject)) { |
| return true; // cannot set "module=true" in 1.8- project |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * @return Returns <code>true</code> if the attribute a on a container child and is not supported |
| */ |
| public boolean isNotSupported() { |
| return fStatus != null && fStatus.getCode() == ClasspathContainerInitializer.ATTRIBUTE_NOT_SUPPORTED; |
| } |
| |
| /** |
| * @return Returns the container child status or <code>null</code> if the attribute is not in a container child |
| */ |
| private IStatus getContainerChildStatus() { |
| return fParent.getContainerChildStatus(this); |
| } |
| |
| |
| /** |
| * Returns the key. |
| * @return String |
| */ |
| public String getKey() { |
| return fKey; |
| } |
| |
| /** |
| * Returns the value. |
| * @return Object |
| */ |
| public Object getValue() { |
| return fValue; |
| } |
| |
| /** |
| * Returns the value. |
| * @param value value to set |
| */ |
| public void setValue(Object value) { |
| fValue= value; |
| fCachedAccess= null; |
| getParent().attributeChanged(fKey); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof CPListElementAttribute)) |
| return false; |
| CPListElementAttribute attrib= (CPListElementAttribute)obj; |
| return attrib.fKey== this.fKey && attrib.getParent().getPath().equals(fParent.getPath()); |
| } |
| |
| @Override |
| public int hashCode() { |
| return fKey.hashCode() * 89 + fParent.getPath().hashCode(); |
| } |
| |
| public CPListElementAttribute copy() { |
| CPListElementAttribute result= new CPListElementAttribute(fBuiltIn); |
| result.fParent= fParent; |
| result.fKey= fKey; |
| result.fValue= fValue; |
| result.fStatus= fStatus; |
| return result; |
| } |
| |
| public ClasspathAttributeAccess getClasspathAttributeAccess() { |
| if (fCachedAccess == null) { |
| fCachedAccess= new ClasspathAttributeAccess() { |
| @Override |
| public IClasspathAttribute getClasspathAttribute() { |
| return CPListElementAttribute.this.getClasspathAttribute(); |
| } |
| @Override |
| public IJavaProject getJavaProject() { |
| return getParent().getJavaProject(); |
| } |
| @Override |
| public IClasspathEntry getParentClasspassEntry() { |
| return getParent().getClasspathEntry(); |
| } |
| }; |
| } |
| return fCachedAccess; |
| } |
| |
| |
| } |