Java 类org.eclipse.xtext.parsetree.reconstr.XtextSerializationException 实例源码

@Override
protected String serializeInternal(INode node) {
    if (type == null)
        return null;
    switch (type) {
        case CROSS_REFERENCE:
            String ref = crossRefSerializer.serializeCrossRef(eObjectConsumer.getEObject(),
                    (CrossReference) element, (EObject) value, node);
            if (ref == null) {
                Assignment ass = GrammarUtil.containingAssignment(element);
                throw new XtextSerializationException("Could not serialize cross reference from "
                        + EmfFormatter.objPath(eObjectConsumer.getEObject()) + "." + ass.getFeature() + " to "
                        + EmfFormatter.objPath((EObject) value));
            }
            return ref;
        case KEYWORD:
            return keywordSerializer.serializeAssignedKeyword(eObjectConsumer.getEObject(),
                    ((Keyword) element), value, node);
        case TERMINAL_RULE_CALL:
            return valueSerializer.serializeAssignedValue(eObjectConsumer.getEObject(), (RuleCall) element,
                    value, node);
        case ENUM_RULE_CALL:
            return enumLitSerializer.serializeAssignedEnumLiteral(eObjectConsumer.getEObject(),
                    (RuleCall) element, value, node);
        case PARSER_RULE_CALL:
            return null;
        case DATATYPE_RULE_CALL:
            return valueSerializer.serializeAssignedValue(eObjectConsumer.getEObject(), (RuleCall) element,
                    value, node);
        default:
            return null;
    }
}

protected AbstractToken serialize(EObject object, AbstractToken currentToken, TreeConstructionReportImpl rep) {
    if (object == null)
        throw new NullPointerException("The to-be-serialized EObject is null");
    IEObjectConsumer currentInstance = currentToken.getEObjectConsumer();
    int followerIndex = 0, depth = 0;
    boolean lastSuccess = true;
    while (currentToken != null) {
        AbstractToken nextToken = null;
        IEObjectConsumer nextInstance = null;
        if ((nextToken = currentToken.createFollower(followerIndex, currentInstance)) != null) {
            while (nextToken != null && (nextInstance = nextToken.tryConsume()) == null)
                nextToken = currentToken.createFollower(++followerIndex, currentInstance);
        }
        if (nextToken instanceof RootToken && nextToken.getNext() != null)
            return nextToken.getNext();
        if (nextToken != null && nextInstance != null) {
            if (log.isTraceEnabled())
                log.trace(debug(currentToken, currentInstance) + " -> found -> " + currentToken.serialize(null));
            currentToken = nextToken;
            currentInstance = nextInstance;
            followerIndex = 0;
            lastSuccess = true;
            depth++;
        } else {
            if (log.isTraceEnabled())
                log.trace(debug(currentToken, currentInstance) + " -> fail -> "
                        + (currentToken.getTransitionIndex() + 1));
            if (lastSuccess)
                rep.addDeadEnd(depth, currentToken);
            followerIndex = currentToken.getTransitionIndex() + 1;
            currentInstance = currentToken.getEObjectConsumer();
            currentToken = currentToken.getNext();
            lastSuccess = false;
            depth--;
        }
    }
    throw new XtextSerializationException(rep, "Serialization failed");
}

/**
 * Saves the resource corresponding to a program and makes sure that the
 * result is just the same as the original program source.
 * 
 * @throws IOException
 */
public void testSaveResource2() throws IOException {
    String program = "class A extends Object {}";
    Resource resource = loadFromString(program);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    try {
        resource.save(outputStream, null);
    } catch (XtextSerializationException e) {
        e.printStackTrace();
        throw e;
    }
    // the saved program must not contain the implicit class object
    assertEquals(program, outputStream.toString());
}