org.eclipse.jdt.internal.core.ImportDeclaration.java Source code

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Here is the source code for org.eclipse.jdt.internal.core.ImportDeclaration.java

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/*******************************************************************************
 * Copyright (c) 2000, 2010 IBM Corporation and others.
 *
 * This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core;

import org.eclipse.core.runtime.Assert;
import org.eclipse.jdt.core.*;

/**
 * Handle for an import declaration. Info object is a ImportDeclarationElementInfo.
 * @see IImportDeclaration
 */

public class ImportDeclaration extends SourceRefElement implements IImportDeclaration {

    protected String name;
    protected boolean isOnDemand;

    /**
     * Constructs an ImportDeclaration in the given import container
     * with the given name.
     */
    protected ImportDeclaration(ImportContainer parent, String name, boolean isOnDemand) {
        super(parent);
        this.name = name;
        this.isOnDemand = isOnDemand;
    }

    @Override
    public boolean equals(Object o) {
        if (!(o instanceof ImportDeclaration))
            return false;
        return super.equals(o);
    }

    @Override
    public String getElementName() {
        if (this.isOnDemand)
            return this.name + ".*"; //$NON-NLS-1$
        return this.name;
    }

    public String getNameWithoutStar() {
        return this.name;
    }

    /**
     * @see IJavaElement
     */
    @Override
    public int getElementType() {
        return IMPORT_DECLARATION;
    }

    /**
     * @see org.eclipse.jdt.core.IImportDeclaration#getFlags()
     */
    @Override
    public int getFlags() throws JavaModelException {
        ImportDeclarationElementInfo info = (ImportDeclarationElementInfo) getElementInfo();
        return info.getModifiers();
    }

    /**
     * @see JavaElement#getHandleMemento(StringBuffer)
     * For import declarations, the handle delimiter is associated to the import container already
     */
    @Override
    protected void getHandleMemento(StringBuffer buff) {
        ((JavaElement) getParent()).getHandleMemento(buff);
        escapeMementoName(buff, getElementName());
        if (this.occurrenceCount > 1) {
            buff.append(JEM_COUNT);
            buff.append(this.occurrenceCount);
        }
    }

    /**
     * @see JavaElement#getHandleMemento()
     */
    @Override
    protected char getHandleMementoDelimiter() {
        // For import declarations, the handle delimiter is associated to the import container already
        Assert.isTrue(false, "Should not be called"); //$NON-NLS-1$
        return 0;
    }

    @Override
    public ISourceRange getNameRange() throws JavaModelException {
        ImportDeclarationElementInfo info = (ImportDeclarationElementInfo) getElementInfo();
        return info.getNameRange();
    }

    @Override
    public IJavaElement getPrimaryElement(boolean checkOwner) {
        CompilationUnit cu = (CompilationUnit) this.parent.getParent();
        if (checkOwner && cu.isPrimary())
            return this;
        return cu.getImport(getElementName());
    }

    /**
     * Returns true if the import is on-demand (ends with ".*")
     */
    @Override
    public boolean isOnDemand() {
        return this.isOnDemand;
    }

    /**
     */
    @Override
    public String readableName() {

        return null;
    }

    /**
     * @private Debugging purposes
     */
    @Override
    protected void toStringInfo(int tab, StringBuffer buffer, Object info, boolean showResolvedInfo) {
        buffer.append(tabString(tab));
        buffer.append("import "); //$NON-NLS-1$
        toStringName(buffer);
        if (info == null) {
            buffer.append(" (not open)"); //$NON-NLS-1$
        }
    }
}