| /******************************************************************************* |
| * Copyright (c) 2001, 2005 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.jst.j2ee.commonarchivecore.internal.helpers; |
| |
| |
| |
| import java.util.List; |
| |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.Archive; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.CommonArchiveResourceHandler; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.ModuleFile; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.exception.OpenFailureException; |
| import org.eclipse.jst.j2ee.commonarchivecore.internal.strategy.ImportStrategy; |
| |
| |
| /** |
| * @see ArchiveTypeDiscriminator |
| */ |
| public abstract class ArchiveTypeDiscriminatorImpl implements ArchiveTypeDiscriminator { |
| protected List children; |
| |
| public ArchiveTypeDiscriminatorImpl() { |
| super(); |
| } |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public void addChild(ArchiveTypeDiscriminator child) { |
| if (hasChild(child)) |
| return; |
| getChildren().add(child); |
| } |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public void addChildAfter(org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminator child, org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminator predecessor) throws java.util.NoSuchElementException { |
| if (hasChild(child)) |
| return; |
| int index = getChildren().indexOf(predecessor); |
| if (index >= 0) { |
| index++; |
| getChildren().add(index, child); |
| } else { |
| throw new java.util.NoSuchElementException(predecessor.toString()); |
| } |
| } |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public void addChildBefore(ArchiveTypeDiscriminator child, ArchiveTypeDiscriminator successor) throws java.util.NoSuchElementException { |
| if (hasChild(child)) |
| return; |
| int index = getChildren().indexOf(successor); |
| if (index >= 0) { |
| getChildren().add(index, child); |
| } else { |
| throw new java.util.NoSuchElementException(successor.toString()); |
| } |
| } |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public abstract boolean canImport(Archive anArchive); |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public Archive convert(Archive anArchive) throws OpenFailureException { |
| Archive destination = createConvertedArchive(); |
| |
| //turn of notifications |
| destination.eSetDeliver(false); |
| destination.eSetDeliver(false); |
| |
| //Copy the relevant attributes |
| destination.setURI(anArchive.getURI()); |
| destination.setOriginalURI(anArchive.getURI()); |
| destination.setSize(anArchive.getSize()); |
| destination.setLastModified(anArchive.getLastModified()); |
| |
| destination.setLoadStrategy(anArchive.getLoadStrategy()); |
| destination.setOptions(anArchive.getOptions()); |
| destination.setExtraClasspath(anArchive.getExtraClasspath()); |
| if (destination.isModuleFile()) { |
| ImportStrategy importStrategy = createImportStrategy(anArchive, destination); |
| ((ModuleFile) destination).setImportStrategy(importStrategy); |
| } |
| |
| |
| |
| //turn notifications back on |
| destination.eSetDeliver(true); |
| destination.eSetDeliver(true); |
| |
| return destination; |
| } |
| |
| public abstract Archive createConvertedArchive(); |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public abstract ImportStrategy createImportStrategy(Archive old, Archive newArchive); |
| |
| public java.util.List getChildren() { |
| if (children == null) |
| children = new java.util.ArrayList(); |
| return children; |
| } |
| |
| /** |
| * Iterate through each child and attempt to convert the archive to the child's type; return the |
| * converted archive from the first child that succeeds, or null if no child succeeds or no |
| * child exists |
| */ |
| protected Archive getImportableArchiveFromChild(Archive anArchive) throws OpenFailureException { |
| if (!hasChildren()) { |
| return null; |
| } |
| List theChildren = getChildren(); |
| Archive childConvertedArchive = null; |
| for (int i = 0; i < theChildren.size(); i++) { |
| ArchiveTypeDiscriminator child = (ArchiveTypeDiscriminator) theChildren.get(i); |
| childConvertedArchive = child.openArchive(anArchive); |
| if (childConvertedArchive != null) { |
| return childConvertedArchive; |
| } |
| } |
| return null; |
| } |
| |
| protected String getXmlDDMessage(String archiveType, String ddUri) { |
| return CommonArchiveResourceHandler.getString(CommonArchiveResourceHandler.invalid_archive_EXC_, (new Object[]{archiveType, ddUri})); // = "Archive is not a valid {0} because the deployment descriptor can not be found (case sensitive): {1}" |
| } |
| |
| public boolean hasChild(ArchiveTypeDiscriminator disc) { |
| return hasChildren() && getChildren().contains(disc); |
| } |
| |
| public boolean hasChildren() { |
| return children != null && children.size() > 0; |
| } |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public Archive openArchive(Archive anArchive) throws OpenFailureException { |
| if (!canImport(anArchive)) { |
| return null; |
| } |
| Archive convertedArchive = convert(anArchive); |
| Archive childConvertedArchive = getImportableArchiveFromChild(convertedArchive); |
| if (childConvertedArchive != null) |
| return childConvertedArchive; |
| return convertedArchive; |
| } |
| |
| /** |
| * @see com.ibm.etools.archive.ArchiveTypeDiscriminator |
| */ |
| public void removeChild(org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveTypeDiscriminator child) { |
| getChildren().remove(child); |
| } |
| |
| public void setChildren(java.util.List newChildren) { |
| children = newChildren; |
| } |
| } |