Examples with InboundContext org.directwebremoting.extend.InboundContext used on opensource projects

Example 1 with InboundContext

use of org.directwebremoting.extend.InboundContext in project ma-core-public by infiniteautomation.

the class ArrayConverter method convertInbound.

/* (non-Javadoc)
     * @see org.directwebremoting.Converter#convertInbound(java.lang.Class, org.directwebremoting.InboundVariable, org.directwebremoting.InboundContext)
     */
public Object convertInbound(Class paramType, InboundVariable iv, InboundContext inctx) throws MarshallException {
    if (!paramType.isArray()) {
        throw new MarshallException(paramType);
    }
    String value = iv.getValue();
    if (value.startsWith(ProtocolConstants.INBOUND_ARRAY_START)) {
        value = value.substring(1);
    }
    if (value.endsWith(ProtocolConstants.INBOUND_ARRAY_END)) {
        value = value.substring(0, value.length() - 1);
    }
    StringTokenizer st = new StringTokenizer(value, ProtocolConstants.INBOUND_ARRAY_SEPARATOR);
    int size = st.countTokens();
    Class componentType = paramType.getComponentType();
    // componentType = LocalUtil.getNonPrimitiveType(componentType);
    Object array = Array.newInstance(componentType, size);
    // We should put the new object into the working map in case it
    // is referenced later nested down in the conversion process.
    inctx.addConverted(iv, paramType, array);
    InboundContext incx = iv.getLookup();
    for (int i = 0; i < size; i++) {
        String token = st.nextToken();
        String[] split = ParseUtil.splitInbound(token);
        String splitType = split[LocalUtil.INBOUND_INDEX_TYPE];
        String splitValue = split[LocalUtil.INBOUND_INDEX_VALUE];
        InboundVariable nested = new InboundVariable(incx, null, splitType, splitValue);
        Object output = converterManager.convertInbound(componentType, nested, inctx, inctx.getCurrentTypeHintContext());
        Array.set(array, i, output);
    }
    return array;
}

Example 2 with InboundContext

use of org.directwebremoting.extend.InboundContext in project ma-core-public by infiniteautomation.

the class MapConverter method convertInbound.

/* (non-Javadoc)
     * @see org.directwebremoting.Converter#convertInbound(java.lang.Class, org.directwebremoting.InboundVariable, org.directwebremoting.InboundContext)
     */
public Object convertInbound(Class paramType, InboundVariable iv, InboundContext inctx) throws MarshallException {
    String value = iv.getValue();
    // If the text is null then the whole bean is null
    if (value.trim().equals(ProtocolConstants.INBOUND_NULL)) {
        return null;
    }
    if (!value.startsWith(ProtocolConstants.INBOUND_MAP_START)) {
        throw new IllegalArgumentException(Messages.getString("MapConverter.FormatError", ProtocolConstants.INBOUND_MAP_START));
    }
    if (!value.endsWith(ProtocolConstants.INBOUND_MAP_END)) {
        throw new IllegalArgumentException(Messages.getString("MapConverter.FormatError", ProtocolConstants.INBOUND_MAP_END));
    }
    value = value.substring(1, value.length() - 1);
    try {
        // Maybe we ought to check that the paramType isn't expecting a more
        // distinct type of Map and attempt to create that?
        Map map;
        // If paramType is concrete then just use whatever we've got.
        if (!paramType.isInterface() && !Modifier.isAbstract(paramType.getModifiers())) {
            // If there is a problem creating the type then we have no way
            // of completing this - they asked for a specific type and we
            // can't create that type. I don't know of a way of finding
            // subclasses that might be instaniable so we accept failure.
            map = (Map) paramType.newInstance();
        } else {
            map = new HashMap();
        }
        // Get the extra type info
        TypeHintContext thc = inctx.getCurrentTypeHintContext();
        TypeHintContext keyThc = thc.createChildContext(0);
        Class keyType = keyThc.getExtraTypeInfo();
        TypeHintContext valThc = thc.createChildContext(1);
        Class valType = valThc.getExtraTypeInfo();
        // We should put the new object into the working map in case it
        // is referenced later nested down in the conversion process.
        inctx.addConverted(iv, paramType, map);
        InboundContext incx = iv.getLookup();
        // Loop through the property declarations
        StringTokenizer st = new StringTokenizer(value, ",");
        int size = st.countTokens();
        for (int i = 0; i < size; i++) {
            String token = st.nextToken();
            if (token.trim().length() == 0) {
                continue;
            }
            int colonpos = token.indexOf(ProtocolConstants.INBOUND_MAP_ENTRY);
            if (colonpos == -1) {
                throw new MarshallException(paramType, Messages.getString("MapConverter.MissingSeparator", ProtocolConstants.INBOUND_MAP_ENTRY, token));
            }
            // Convert the value part of the token by splitting it into the
            // type and value (as passed in by Javascript)
            String valStr = token.substring(colonpos + 1).trim();
            String[] splitIv = ParseUtil.splitInbound(valStr);
            String splitIvValue = splitIv[LocalUtil.INBOUND_INDEX_VALUE];
            String splitIvType = splitIv[LocalUtil.INBOUND_INDEX_TYPE];
            InboundVariable valIv = new InboundVariable(incx, null, splitIvType, splitIvValue);
            Object val = config.convertInbound(valType, valIv, inctx, valThc);
            // Keys (unlike values) do not have type info passed with them
            // Could we have recurrsive key? - I don't think so because keys
            // must be strings in Javascript
            String keyStr = token.substring(0, colonpos).trim();
            // String[] keySplit = LocalUtil.splitInbound(keyStr);
            // InboundVariable keyIv = new InboundVariable(incx, splitIv[LocalUtil.INBOUND_INDEX_TYPE], splitIv[LocalUtil.INBOUND_INDEX_VALUE]);
            InboundVariable keyIv = new InboundVariable(incx, null, ProtocolConstants.TYPE_STRING, keyStr);
            Object key = config.convertInbound(keyType, keyIv, inctx, keyThc);
            map.put(key, val);
        }
        return map;
    } catch (MarshallException ex) {
        throw ex;
    } catch (Exception ex) {
        throw new MarshallException(paramType, ex);
    }
}

Example 3 with InboundContext

use of org.directwebremoting.extend.InboundContext in project ma-core-public by infiniteautomation.

the class BaseCallMarshaller method marshallInbound.

/* (non-Javadoc)
     * @see org.directwebremoting.extend.Marshaller#marshallInbound(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
public Calls marshallInbound(HttpServletRequest request, HttpServletResponse response) throws IOException, ServerException {
    // We must parse the parameters before we setup the conduit because it's
    // only after doing this that we know the scriptSessionId
    WebContext webContext = WebContextFactory.get();
    Batch batch = (Batch) request.getAttribute(ATTRIBUTE_BATCH);
    if (batch == null) {
        batch = new Batch(request, crossDomainSessionSecurity, allowGetForSafariButMakeForgeryEasier, sessionCookieName);
        // Save calls for retry exception
        request.setAttribute(ATTRIBUTE_BATCH, batch);
    }
    // Various bits of the Batch need to be stashed away places
    storeParsedRequest(request, webContext, batch);
    Calls calls = batch.getCalls();
    // Debug the environment
    if (log.isDebugEnabled() && calls.getCallCount() > 0) {
        // We can just use 0 because they are all shared
        InboundContext inctx = (InboundContext) batch.getInboundContexts().get(0);
        StringBuffer buffer = new StringBuffer();
        for (Iterator it = inctx.getInboundVariableNames(); it.hasNext(); ) {
            String key = (String) it.next();
            InboundVariable value = inctx.getInboundVariable(key);
            if (key.startsWith(ProtocolConstants.INBOUND_CALLNUM_PREFIX) && key.indexOf(ProtocolConstants.INBOUND_CALLNUM_SUFFIX + ProtocolConstants.INBOUND_KEY_ENV) != -1) {
                buffer.append(key);
                buffer.append('=');
                buffer.append(value.toString());
                buffer.append(", ");
            }
        }
        if (buffer.length() > 0) {
            log.debug("Environment:  " + buffer.toString());
        }
    }
    callLoop: for (int callNum = 0; callNum < calls.getCallCount(); callNum++) {
        Call call = calls.getCall(callNum);
        InboundContext inctx = (InboundContext) batch.getInboundContexts().get(callNum);
        // Get a list of the available matching methods with the coerced
        // parameters that we will use to call it if we choose to use
        // that method.
        Creator creator = creatorManager.getCreator(call.getScriptName());
        // Which method are we using?
        Method method = findMethod(call, inctx);
        if (method == null) {
            String name = call.getScriptName() + '.' + call.getMethodName();
            String error = Messages.getString("BaseCallMarshaller.UnknownMethod", name);
            log.warn("Marshalling exception: " + error);
            call.setMethod(null);
            call.setParameters(null);
            call.setException(new IllegalArgumentException(error));
            continue callLoop;
        }
        call.setMethod(method);
        // Check this method is accessible
        accessControl.assertExecutionIsPossible(creator, call.getScriptName(), method);
        // Convert all the parameters to the correct types
        Object[] params = new Object[method.getParameterTypes().length];
        for (int j = 0; j < method.getParameterTypes().length; j++) {
            try {
                Class paramType = method.getParameterTypes()[j];
                InboundVariable param = inctx.getParameter(callNum, j);
                TypeHintContext incc = new TypeHintContext(converterManager, method, j);
                params[j] = converterManager.convertInbound(paramType, param, inctx, incc);
            } catch (MarshallException ex) {
                log.warn("Marshalling exception", ex);
                call.setMethod(null);
                call.setParameters(null);
                call.setException(ex);
                continue callLoop;
            }
        }
        call.setParameters(params);
    }
    return calls;
}

Example 4 with InboundContext

use of org.directwebremoting.extend.InboundContext in project ma-core-public by infiniteautomation.

the class Batch method parseParameters.

/**
 * Fish out the important parameters
 * @throws ServerException If the parsing of input parameter fails
 */
protected void parseParameters() throws ServerException {
    Map paramMap = getAllParameters();
    calls = new Calls();
    // Work out how many calls are in this packet
    String callStr = (String) paramMap.remove(ProtocolConstants.INBOUND_CALL_COUNT);
    int callCount;
    try {
        callCount = Integer.parseInt(callStr);
    } catch (NumberFormatException ex) {
        throw new ServerException(Messages.getString("BaseCallMarshaller.BadCallCount"));
    }
    // Extract the ids, scriptnames and methodnames
    for (int callNum = 0; callNum < callCount; callNum++) {
        Call call = new Call();
        calls.addCall(call);
        InboundContext inctx = new InboundContext();
        inboundContexts.add(inctx);
        String prefix = ProtocolConstants.INBOUND_CALLNUM_PREFIX + callNum + ProtocolConstants.INBOUND_CALLNUM_SUFFIX;
        // The special values
        String callId = (String) paramMap.remove(prefix + ProtocolConstants.INBOUND_KEY_ID);
        call.setCallId(callId);
        if (!LocalUtil.isLetterOrDigitOrUnderline(callId)) {
            throw new SecurityException("Call IDs may only contain Java Identifiers");
        }
        String scriptName = (String) paramMap.remove(prefix + ProtocolConstants.INBOUND_KEY_SCRIPTNAME);
        call.setScriptName(scriptName);
        if (!LocalUtil.isLetterOrDigitOrUnderline(scriptName)) {
            throw new SecurityException("Script names may only contain Java Identifiers");
        }
        String methodName = (String) paramMap.remove(prefix + ProtocolConstants.INBOUND_KEY_METHODNAME);
        call.setMethodName(methodName);
        if (!LocalUtil.isLetterOrDigitOrUnderline(methodName)) {
            throw new SecurityException("Method names may only contain Java Identifiers");
        }
        // Look for parameters to this method
        for (Iterator it = paramMap.entrySet().iterator(); it.hasNext(); ) {
            Map.Entry entry = (Map.Entry) it.next();
            String key = (String) entry.getKey();
            if (key.startsWith(prefix)) {
                String data = (String) entry.getValue();
                String[] split = ParseUtil.splitInbound(data);
                String value = split[LocalUtil.INBOUND_INDEX_VALUE];
                String type = split[LocalUtil.INBOUND_INDEX_TYPE];
                inctx.createInboundVariable(callNum, key, type, value);
                it.remove();
            }
        }
    }
    String batchId = (String) paramMap.remove(ProtocolConstants.INBOUND_KEY_BATCHID);
    calls.setBatchId(batchId);
    if (!LocalUtil.isLetterOrDigitOrUnderline(batchId)) {
        throw new SecurityException("Batch IDs may only contain Java Identifiers");
    }
    httpSessionId = (String) paramMap.remove(ProtocolConstants.INBOUND_KEY_HTTP_SESSIONID);
    scriptSessionId = (String) paramMap.remove(ProtocolConstants.INBOUND_KEY_SCRIPT_SESSIONID);
    page = (String) paramMap.remove(ProtocolConstants.INBOUND_KEY_PAGE);
    for (Iterator it = paramMap.entrySet().iterator(); it.hasNext(); ) {
        Map.Entry entry = (Map.Entry) it.next();
        String key = (String) entry.getKey();
        String value = (String) entry.getValue();
        if (key.startsWith(ProtocolConstants.INBOUND_KEY_METADATA)) {
            spareParameters.put(key.substring(ProtocolConstants.INBOUND_KEY_METADATA.length()), value);
        }
    }
}