Java Code Examples for org.eclipse.emf.common.util.SegmentSequence#Builder

public static String getFragmentPath(EObject object) {
	SegmentSequence.Builder builder = SegmentSequence.newBuilder("/");
	InternalEObject internalEObject = (InternalEObject) object;
	boolean isContained = internalEObject.eDirectResource() != null;
	for (InternalEObject container = internalEObject.eInternalContainer(); 
		container != null && !isContained; 
		container = internalEObject.eInternalContainer()) {
		builder.append(getFragmentPathSegment(container, internalEObject.eContainingFeature(), internalEObject));
		internalEObject = container;
		if (container.eDirectResource() != null) {
			isContained = true;
		}
	}
	if (!isContained) {
		return "/-1";
	}
	builder.append(getFragmentPathRootSegment(internalEObject));
	builder.append("");
	builder.reverse();
	return builder.toSegmentSequence().toString();
}
 

public URI getFullURI(IVariableBinding binding) {
	SegmentSequence.Builder builder = SegmentSequence.newBuilder("");
	URI uri = getFullURI(binding.getDeclaringClass(), builder);
	builder.append(".");
	builder.append(binding.getName());
	return uri.appendFragment(builder.toString());
}
 

public URI getFullURI(ITypeBinding typeBinding, String method) {
	SegmentSequence.Builder builder = SegmentSequence.newBuilder("");
	URI uri = getFullURI(typeBinding, builder);
	URI[] uris = COMMON_METHOD_URIS.get(uri.lastSegment());
	if (uris != null) {
		for (URI methodURI : uris) {
			String fragment = methodURI.fragment();
			if (fragment.startsWith(method, fragment.length() - method.length() - 2)) {
				return methodURI;
			}
		}
	}
	builder.append(".").append(method).append("()");
	return uri.appendFragment(builder.toString());
}
 

/**
 * @since 2.4
 */
protected SegmentSequence.Builder getQualifiedName(ITypeBinding binding, SegmentSequence.Builder builder) {
	if (binding.isParameterizedType()) {
		getQualifiedName(binding.getErasure(), builder);
	}
	else if (binding.isArray()) {
		getQualifiedName(binding.getComponentType(), builder).append("[]");
	}
	else if (binding.isTopLevel() || binding.isTypeVariable() || binding.isPrimitive()) {
		builder.append(binding.getQualifiedName());
	} else {
		getQualifiedName(binding.getDeclaringClass(), builder).append('$').append(binding.getName());
	}
	return builder;
}
 

/**
 * We don't use a {@link IFragmentProvider} here. The implementation is a complete copied from
 * {@link ResourceImpl#getURIFragment}
 *
 * @param eObject
 *            the object the URI fragment should be calculated for.
 * @return the calculated URI fragment
 */
private String defaultGetURIFragment(EObject eObject) {
	// Copied from ResourceImpl.getURIFragment to avoid the caching
	// mechanism which will add a content
	// adapter which in turn will resolve / load the resource (while the
	// purpose of all the code is to
	// avoid resource loading)
	InternalEObject internalEObject = (InternalEObject) eObject;
	if (internalEObject.eDirectResource() == this || unloadingContents != null
			&& unloadingContents.contains(internalEObject)) {
		return "/" + getURIFragmentRootSegment(eObject);
	} else {
		SegmentSequence.Builder builder = SegmentSequence.newBuilder("/");

		boolean isContained = false;
		for (InternalEObject container = internalEObject
				.eInternalContainer(); container != null; container = internalEObject
						.eInternalContainer()) {
			builder.append(container.eURIFragmentSegment(internalEObject.eContainingFeature(), internalEObject));
			internalEObject = container;
			if (container.eDirectResource() == this || unloadingContents != null
					&& unloadingContents.contains(container)) {
				isContained = true;
				break;
			}
		}

		if (!isContained) {
			return "/-1";
		}

		builder.append(getURIFragmentRootSegment(internalEObject));
		builder.append("");
		builder.reverse();

		// This comment also resides in ResourceImpl.getURIFragment:
		// Note that we convert it to a segment sequence because the
		// most common use case is that callers of this method will call
		// URI.appendFragment.
		// By creating the segment sequence here, we ensure that it's
		// found in the cache.
		//
		return builder.toSegmentSequence().toString();
	}
}