com.google.cloud.tools.eclipse.appengine.libraries.persistence.SerializableClasspathEntry.java Source code

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Here is the source code for com.google.cloud.tools.eclipse.appengine.libraries.persistence.SerializableClasspathEntry.java

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/*
 * Copyright 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.cloud.tools.eclipse.appengine.libraries.persistence;

import com.google.cloud.tools.eclipse.util.io.PathUtil;
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.IClasspathEntry;
import org.eclipse.jdt.core.JavaCore;

/**
 * Represents a {@link IClasspathEntry} in such a way that it can be easily transformed into JSON.
 */
public class SerializableClasspathEntry {

    private SerializableAccessRules[] accessRules;
    private String sourceAttachmentPath;
    private String path;
    private SerializableAttribute[] attributes;

    public SerializableClasspathEntry(IClasspathEntry entry, IPath baseDirectory) {
        setAttributes(entry.getExtraAttributes());
        setAccessRules(entry.getAccessRules());
        setSourcePath(entry.getSourceAttachmentPath());
        setPath(PathUtil.relativizePath(entry.getPath(), baseDirectory).toString());
    }

    private void setPath(String path) {
        this.path = path;
    }

    public void setAttributes(IClasspathAttribute[] extraAttributes) {
        attributes = new SerializableAttribute[extraAttributes.length];
        for (int i = 0; i < extraAttributes.length; i++) {
            IClasspathAttribute attribute = extraAttributes[i];
            attributes[i] = new SerializableAttribute(attribute);
        }
    }

    public void setAccessRules(IAccessRule[] accessRules) {
        this.accessRules = new SerializableAccessRules[accessRules.length];
        for (int i = 0; i < accessRules.length; i++) {
            IAccessRule rule = accessRules[i];
            this.accessRules[i] = new SerializableAccessRules(rule);
        }
    }

    public void setSourcePath(IPath sourceAttachmentPath) {
        this.sourceAttachmentPath = sourceAttachmentPath.toOSString();
    }

    public IClasspathEntry toClasspathEntry(IPath baseDirectory) {
        return JavaCore.newLibraryEntry(PathUtil.makePathAbsolute(new Path(path), baseDirectory),
                new Path(sourceAttachmentPath), null, getAccessRules(), getAttributes(), true);
    }

    private IClasspathAttribute[] getAttributes() {
        IClasspathAttribute[] classpathAttributes = new IClasspathAttribute[attributes.length];
        for (int i = 0; i < attributes.length; i++) {
            classpathAttributes[i] = attributes[i].toClasspathAttribute();
        }
        return classpathAttributes;
    }

    private IAccessRule[] getAccessRules() {
        IAccessRule[] rules = new IAccessRule[accessRules.length];
        for (int i = 0; i < accessRules.length; i++) {
            rules[i] = accessRules[i].toAccessRule();
        }
        return rules;
    }
}