org.eclipsejc.builder.CapBuilder.java Source code

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Here is the source code for org.eclipsejc.builder.CapBuilder.java

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/*******************************************************************************
 * Copyright (c) 2015 Dmitry Eremin-Solenikov
 * 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
 *******************************************************************************/

package org.eclipsejc.builder;

import java.util.Map;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.IncrementalProjectBuilder;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;

public class CapBuilder extends IncrementalProjectBuilder {

    public static final String BUILDER_ID = "org.eclipsejc.core.capBuilder";

    @SuppressWarnings("rawtypes")
    protected IProject[] build(int kind, Map args, IProgressMonitor monitor) {
        if (kind == IncrementalProjectBuilder.FULL_BUILD) {
            fullBuild(monitor);
        } else {
            IResourceDelta delta = getDelta(getProject());
            if (delta == null) {
                fullBuild(monitor);
            } else {
                incrementalBuild(delta, monitor);
            }
        }
        return null;
    }

    private IPath getConverterPath(IJavaProject javaProject) throws JavaModelException {
        IClasspathEntry[] resolvedClasspath = javaProject.getResolvedClasspath(false);

        for (IClasspathEntry entry : resolvedClasspath) {
            if (entry.getEntryKind() != IClasspathEntry.CPE_LIBRARY)
                continue;

            IPath path = entry.getPath();
            if (!path.lastSegment().equals("api.jar"))
                continue;

            IPath libPath = path.removeLastSegments(1);
            return libPath.append("converter.jar");
        }
        return null;
    }

    private void incrementalBuild(IResourceDelta delta, IProgressMonitor monitor) {
        System.out.println("incremental build on " + delta);
        try {
            delta.accept(new IResourceDeltaVisitor() {
                public boolean visit(IResourceDelta delta) {
                    System.out.println("changed: " + delta.getResource().getRawLocation());
                    return true; // visit children too
                }
            });
        } catch (CoreException e) {
            e.printStackTrace();
        }
    }

    private void fullBuild(IProgressMonitor monitor) {
        System.out.println("full build");

        IJavaProject javaProject = JavaCore.create(getProject());
        IPath converterPath;
        try {
            converterPath = getConverterPath(javaProject);
        } catch (JavaModelException e) {
            e.printStackTrace();
            return;
        }
        if (converterPath == null)
            return;

    }
}