Examples with IStreamContentAccessor org.eclipse.compare.IStreamContentAccessor used on opensource projects

Example 1 with IStreamContentAccessor

use of org.eclipse.compare.IStreamContentAccessor in project erlide_eclipse by erlang.

the class ErlStructureCreator method createStructureComparator.

@Override
protected IStructureComparator createStructureComparator(final Object element, final IDocument document0, final ISharedDocumentAdapter sharedDocumentAdapter, final IProgressMonitor monitor) throws CoreException {
    IErlModule module = null;
    final IErlModel model = ErlangEngine.getInstance().getModel();
    String s = "";
    IDocument document = document0;
    if (element instanceof ResourceNode) {
        final ResourceNode rn = (ResourceNode) element;
        final IResource r = rn.getResource();
        if (r instanceof IFile) {
            final IFile f = (IFile) r;
            final IErlElement e = model.findElement(r);
            if (e instanceof IErlModule) {
                module = (IErlModule) e;
            }
            if (document == null) {
                try {
                    s = ErlStructureCreator.readString(f.getContents());
                    document = new Document(s);
                } catch (final CoreException e1) {
                }
            }
        }
    } else if (document == null && element instanceof IStreamContentAccessor) {
        try {
            try (final InputStream contents = ((IStreamContentAccessor) element).getContents()) {
                s = ErlStructureCreator.readString(contents);
            } catch (final IOException e) {
            }
            document = new Document(s);
        } catch (final CoreException ex) {
        }
    } else if (document != null) {
        s = document.get();
    }
    if (module == null) {
        String name = "comptemp";
        if (element instanceof ITypedElement) {
            final ITypedElement typedElement = (ITypedElement) element;
            name = typedElement.getName();
        }
        module = model.getModuleFromText(model, name, s, null);
    }
    ErlNode root = null;
    if (element != null && document != null) {
        try {
            module.open(null);
            root = new RootErlNode(document, element);
            recursiveMakeErlNodes(module, root, document);
        } catch (final ErlModelException e) {
            ErlLogger.warn(e);
        }
    }
    return root;
}

Example 2 with IStreamContentAccessor

use of org.eclipse.compare.IStreamContentAccessor in project erlide_eclipse by erlang.

the class ErlStructureCreator method getStructure.

/**
 * @see IStructureCreator#getStructure
 */
@Override
public IStructureComparator getStructure(final Object input) {
    String contents = null;
    char[] buffer = null;
    IDocument doc = CompareUI.getDocument(input);
    if (doc == null) {
        if (input instanceof IStreamContentAccessor) {
            final IStreamContentAccessor sca = (IStreamContentAccessor) input;
            try {
                contents = ErlangCompareUtilities.readString(sca);
            } catch (final CoreException ex) {
                // return null indicates the error.
                return null;
            }
        }
        if (contents != null) {
            final int n = contents.length();
            buffer = new char[n];
            contents.getChars(0, n, buffer, 0);
            doc = new Document(contents);
            setupDocument(doc);
        }
    }
    try {
        return createStructureComparator(input, doc, null, null);
    } catch (final CoreException e) {
        // TODO report error
        ErlLogger.error(e);
    }
    return null;
}

Example 3 with IStreamContentAccessor

use of org.eclipse.compare.IStreamContentAccessor in project whole by wholeplatform.

the class ModelMergeViewer method readSideModel.

protected void readSideModel(MergeSide side, Object input, String label) {
    IEntity sideModel = null;
    if (input != null)
        try {
            IStreamContentAccessor accessor = (IStreamContentAccessor) input;
            // TODO
            IPersistenceKit persistenceKit = ReflectionFactory.getDefaultPersistenceKit();
            sideModel = persistenceKit.readModel(new StreamPersistenceProvider(accessor.getContents()));
        } catch (Exception e) {
            E4Utils.reportError(getContext(), "Model Merge Viewer", "Unable to read the model", e);
        // TODO ? sideModel = Status model instance with failure info
        }
    setSideModel(side, sideModel != null ? sideModel : CommonsEntityFactory.instance.createResolver(), label);
}

Example 4 with IStreamContentAccessor

use of org.eclipse.compare.IStreamContentAccessor in project xtext-eclipse by eclipse.

the class DefaultMergeViewer method updateAsDocument.

protected Object updateAsDocument(Object object) {
    if (object instanceof IResourceProvider && supportsSharedDocuments(object)) {
        return object;
    }
    if (object instanceof IStreamContentAccessor) {
        try {
            StreamContentAccessorDelegate streamContentAccessorDelegate = new StreamContentAccessorDelegate((IStreamContentAccessor) object, createResourceProvider(object));
            documentProvider.connect(streamContentAccessorDelegate);
            inputObjectStreamContentAccessorMap.put(object, streamContentAccessorDelegate);
            return documentProvider.getDocument(streamContentAccessorDelegate);
        } catch (CoreException coreException) {
            throw new WrappedException(coreException);
        }
    }
    return object;
}

Example 5 with IStreamContentAccessor

use of org.eclipse.compare.IStreamContentAccessor in project xtext-eclipse by eclipse.

the class StreamContentDocumentProvider method loadResource.

protected void loadResource(Object element, Resource resource) {
    if (resource == null) {
        return;
    }
    if (element instanceof IStreamContentAccessor) {
        IStreamContentAccessor streamContentAccessor = (IStreamContentAccessor) element;
        InputStream inputStream = null;
        try {
            inputStream = streamContentAccessor.getContents();
            if (inputStream != null) {
                resource.load(inputStream, Collections.singletonMap(XtextResource.OPTION_ENCODING, getEncoding(element)));
            }
        } catch (Exception exception) {
            throw new WrappedException(exception);
        } finally {
            if (inputStream != null) {
                try {
                    inputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}