package org.erlide.engine.internal.model.erlang;
import java.util.List;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.erlide.engine.ErlangEngine;
import org.erlide.engine.internal.model.root.ErlElement;
import org.erlide.engine.model.ErlModelException;
import org.erlide.engine.model.erlang.IErlModule;
import org.erlide.engine.model.root.ErlElementKind;
import org.erlide.engine.model.root.IErlElement;
import org.erlide.engine.model.root.IErlExternal;
import org.erlide.engine.model.root.IErlProject;
import org.erlide.engine.services.search.OpenService;
import org.erlide.engine.util.CommonUtils;
import org.erlide.engine.util.OtpRpcFactory;
import org.erlide.runtime.api.IOtpRpc;
import com.google.common.collect.Lists;
public class ErlExternalReferenceEntry extends ErlElement implements IErlExternal {
private final String entry;
private final boolean prebuilt;
private final boolean hasHeaders;
private String group;
public ErlExternalReferenceEntry(final IErlElement parent, final String name,
final String entry, final boolean prebuilt, final boolean hasHeaders) {
super(parent, name);
this.entry = entry;
this.prebuilt = prebuilt;
this.hasHeaders = hasHeaders;
}
@Override
public ErlElementKind getKind() {
return ErlElementKind.EXTERNAL_FOLDER;
}
@Override
public boolean isStructureKnown() {
return prebuilt || super.isStructureKnown();
}
@Override
public boolean buildStructure(final IProgressMonitor pm) throws ErlModelException {
if (prebuilt) {
// already done
return true;
}
final IErlProject project = ErlangEngine.getInstance().getModelUtilService()
.getProject(this);
final IOtpRpc backend = OtpRpcFactory.getOtpRpcForProject(project);
if (backend != null) {
final List<String> files = ErlangEngine.getInstance()
.getService(OpenService.class).getLibFiles(entry);
final List<IErlModule> children = Lists
.newArrayListWithCapacity(files.size());
for (final String file : files) {
if (CommonUtils.isErlangFileContentFileName(getName(file))) {
children.add(new ErlModule(this, getName(file), file, null, null));
}
}
setChildren(children);
return true;
}
return false;
}
private String getName(final String file) {
final IPath p = new Path(file);
return p.lastSegment();
}
@Override
public String getFilePath() {
return null;
}
public String getExternalName() {
return entry;
}
@Override
public boolean isOTP() {
final IErlElement parent = getParent();
if (parent instanceof IErlExternal) {
final IErlExternal external = (IErlExternal) parent;
return external.isOTP();
}
return false;
}
@Override
public IResource getResource() {
return null;
}
@Override
public boolean hasIncludes() {
return hasHeaders;
}
public void setGroup(final String group) {
this.group = group;
}
public String getGroup() {
return group;
}
}