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/*******************************************************************************
* Copyright (c) 2008-2010 Sonatype, Inc.
* 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:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.jdt.internal;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.OutputStream;
import java.io.Serializable;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IAccessRule;
import org.eclipse.jdt.core.IClasspathAttribute;
import org.eclipse.jdt.core.IClasspathContainer;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.JavaCore;
/**
* BuildPath save helper
*
* @author Eugene Kuleshov
*/
public class MavenClasspathContainerSaveHelper {
public IClasspathContainer readContainer(InputStream input) throws IOException, ClassNotFoundException {
ObjectInputStream is = new ObjectInputStream(new BufferedInputStream(input)) {
{
enableResolveObject(true);
}
protected Object resolveObject(Object o) throws IOException {
if(o instanceof ProjectEntryReplace) {
return ((ProjectEntryReplace) o).getEntry();
} else if(o instanceof LibraryEntryReplace) {
return ((LibraryEntryReplace) o).getEntry();
} else if(o instanceof ClasspathAttributeReplace) {
return ((ClasspathAttributeReplace) o).getAttribute();
} else if(o instanceof AccessRuleReplace) {
return ((AccessRuleReplace) o).getAccessRule();
} else if(o instanceof PathReplace) {
return ((PathReplace) o).getPath();
}
return super.resolveObject(o);
}
};
return (IClasspathContainer) is.readObject();
}
public void writeContainer(IClasspathContainer container, OutputStream output) throws IOException {
ObjectOutputStream os = new ObjectOutputStream(new BufferedOutputStream(output)) {
{
enableReplaceObject(true);
}
protected Object replaceObject(Object o) throws IOException {
if(o instanceof IClasspathEntry) {
IClasspathEntry e = (IClasspathEntry) o;
if(e.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
return new ProjectEntryReplace(e);
} else if(e.getEntryKind() == IClasspathEntry.CPE_LIBRARY) {
return new LibraryEntryReplace(e);
}
} else if(o instanceof IClasspathAttribute) {
return new ClasspathAttributeReplace((IClasspathAttribute) o);
} else if(o instanceof IAccessRule) {
return new AccessRuleReplace((IAccessRule) o);
} else if(o instanceof IPath) {
return new PathReplace((IPath) o);
}
return super.replaceObject(o);
}
};
os.writeObject(container);
os.flush();
}
/**
* A library IClasspathEntry replacement used for object serialization
*/
static final class LibraryEntryReplace implements Serializable {
private static final long serialVersionUID = 3901667379326978799L;
private final IPath path;
private final IPath sourceAttachmentPath;
private final IPath sourceAttachmentRootPath;
private final IClasspathAttribute[] extraAttributes;
private final boolean exported;
private final IAccessRule[] accessRules;
LibraryEntryReplace(IClasspathEntry entry) {
this.path = entry.getPath();
this.sourceAttachmentPath = entry.getSourceAttachmentPath();
this.sourceAttachmentRootPath = entry.getSourceAttachmentRootPath();
this.accessRules = entry.getAccessRules();
this.extraAttributes = entry.getExtraAttributes();
this.exported = entry.isExported();
}
IClasspathEntry getEntry() {
return JavaCore.newLibraryEntry(path, sourceAttachmentPath, sourceAttachmentRootPath, //
accessRules, extraAttributes, exported);
}
}
/**
* A project IClasspathEntry replacement used for object serialization
*/
static final class ProjectEntryReplace implements Serializable {
private static final long serialVersionUID = -2397483865904288762L;
private final IPath path;
private final IClasspathAttribute[] extraAttributes;
private final IAccessRule[] accessRules;
private final boolean exported;
private final boolean combineAccessRules;
ProjectEntryReplace(IClasspathEntry entry) {
this.path = entry.getPath();
this.accessRules = entry.getAccessRules();
this.extraAttributes = entry.getExtraAttributes();
this.exported = entry.isExported();
this.combineAccessRules = entry.combineAccessRules();
}
IClasspathEntry getEntry() {
return JavaCore.newProjectEntry(path, accessRules, //
combineAccessRules, extraAttributes, exported);
}
}
/**
* An IClasspathAttribute replacement used for object serialization
*/
static final class ClasspathAttributeReplace implements Serializable {
private static final long serialVersionUID = 6370039352012628029L;
private final String name;
private final String value;
ClasspathAttributeReplace(IClasspathAttribute attribute) {
this.name = attribute.getName();
this.value = attribute.getValue();
}
IClasspathAttribute getAttribute() {
return JavaCore.newClasspathAttribute(name, value);
}
}
/**
* An IAccessRule replacement used for object serialization
*/
static final class AccessRuleReplace implements Serializable {
private static final long serialVersionUID = 7315582893941374715L;
private final IPath pattern;
private final int kind;
AccessRuleReplace(IAccessRule accessRule) {
pattern = accessRule.getPattern();
kind = accessRule.getKind();
}
IAccessRule getAccessRule() {
return JavaCore.newAccessRule(pattern, kind);
}
}
/**
* An IPath replacement used for object serialization
*/
static final class PathReplace implements Serializable {
private static final long serialVersionUID = -2361259525684491181L;
private final String path;
PathReplace(IPath path) {
this.path = path.toPortableString();
}
IPath getPath() {
return Path.fromPortableString(path);
}
}
}
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