Examples with SynapseException org.apache.synapse.SynapseException used on opensource projects

Example 76 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class POJOCommandMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    POJOCommandMediator pojoMediator = new POJOCommandMediator();
    processAuditStatus(pojoMediator, elem);
    // Class name of the Command object should be present
    OMAttribute name = elem.getAttribute(ATT_NAME);
    if (name == null) {
        String msg = "The name of the actual POJO command implementation class" + " is a required attribute";
        log.error(msg);
        throw new SynapseException(msg);
    }
    // load the class for the command object
    try {
        pojoMediator.setCommand(getClass().getClassLoader().loadClass(name.getAttributeValue()));
    } catch (ClassNotFoundException e) {
        handleException("Unable to load the class specified as the command " + name.getAttributeValue(), e);
    }
    // at the mediation time
    for (Iterator it = elem.getChildElements(); it.hasNext(); ) {
        OMElement child = (OMElement) it.next();
        if ("property".equals(child.getLocalName())) {
            OMAttribute nameAttr = child.getAttribute(ATT_NAME);
            if (nameAttr != null && nameAttr.getAttributeValue() != null && !"".equals(nameAttr.getAttributeValue())) {
                handlePropertyAction(nameAttr.getAttributeValue(), child, pojoMediator);
            } else {
                handleException("A POJO command mediator " + "property must specify the name attribute");
            }
        }
    }
    return pojoMediator;
}

Example 77 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class PropertyMediatorFactory method createSpecificMediator.

public Mediator createSpecificMediator(OMElement elem, Properties properties) {
    PropertyMediator propMediator = new PropertyMediator();
    OMAttribute name = elem.getAttribute(ATT_NAME);
    OMAttribute value = elem.getAttribute(ATT_VALUE);
    OMAttribute expression = elem.getAttribute(ATT_EXPRN);
    OMAttribute scope = elem.getAttribute(ATT_SCOPE);
    OMAttribute action = elem.getAttribute(ATT_ACTION);
    OMAttribute type = elem.getAttribute(ATT_TYPE);
    OMAttribute pattern = elem.getAttribute(ATT_PATTERN);
    OMAttribute group = elem.getAttribute(ATT_GROUP);
    OMElement valueElement = elem.getFirstElement();
    if (name == null) {
        String msg = "The 'name' attribute is required for the configuration of a property mediator";
        log.error(msg);
        throw new SynapseException(msg);
    } else if ((value == null && valueElement == null && expression == null) && !(action != null && "remove".equals(action.getAttributeValue()))) {
        String msg = "Either a child element or one of 'value', 'expression' attributes is " + "required for a property mediator when action is SET";
        log.error(msg);
        throw new SynapseException(msg);
    }
    propMediator.setName(name.getAttributeValue());
    String dataType = null;
    if (type != null) {
        dataType = type.getAttributeValue();
    }
    if (value != null) {
        propMediator.setValue(value.getAttributeValue(), dataType);
    } else if (valueElement != null) {
        // Need to clone to prevent same reference getting modified at the message flow
        propMediator.setValueElement(valueElement.cloneOMElement());
    } else if (expression != null) {
        try {
            propMediator.setExpression(SynapsePathFactory.getSynapsePath(elem, ATT_EXPRN), dataType);
        } catch (JaxenException e) {
            String msg = "Invalid XPath expression for attribute 'expression' : " + expression.getAttributeValue();
            log.error(msg);
            throw new SynapseException(msg);
        }
    }
    if (pattern != null) {
        propMediator.setPattern(Pattern.compile(pattern.getAttributeValue()));
        if (group != null) {
            int groupValue = Integer.parseInt(group.getAttributeValue());
            if (groupValue >= 0) {
                propMediator.setGroup(groupValue);
            } else {
                String msg = "group can have a positive value only";
                log.error(msg);
                throw new SynapseException(msg);
            }
        }
    } else if (group != null) {
        String msg = "group is only allowed when a pattern is specified";
        log.error(msg);
        throw new SynapseException(msg);
    }
    // property mediator will act as a property remove mediator
    if (action != null && "remove".equals(action.getAttributeValue())) {
        propMediator.setAction(PropertyMediator.ACTION_REMOVE);
    }
    if (scope != null) {
        String valueStr = scope.getAttributeValue();
        if (!XMLConfigConstants.SCOPE_AXIS2.equals(valueStr) && !XMLConfigConstants.SCOPE_TRANSPORT.equals(valueStr) && !XMLConfigConstants.SCOPE_OPERATION.equals(valueStr) && !XMLConfigConstants.SCOPE_DEFAULT.equals(valueStr) && !XMLConfigConstants.SCOPE_CLIENT.equals(valueStr) && !XMLConfigConstants.SCOPE_REGISTRY.equals(valueStr)) {
            String msg = "Only '" + XMLConfigConstants.SCOPE_AXIS2 + "' or '" + XMLConfigConstants.SCOPE_TRANSPORT + "' or '" + XMLConfigConstants.SCOPE_CLIENT + "' or '" + XMLConfigConstants.SCOPE_DEFAULT + "' or '" + XMLConfigConstants.SCOPE_OPERATION + "' or '" + XMLConfigConstants.SCOPE_REGISTRY + "' values are allowed for attribute scope for a property mediator" + ", Unsupported scope " + valueStr;
            log.error(msg);
            throw new SynapseException(msg);
        }
        propMediator.setScope(valueStr);
    }
    // after successfully creating the mediator
    // set its common attributes such as tracing etc
    processAuditStatus(propMediator, elem);
    return propMediator;
}

Example 78 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class EnrichMediatorFactory method validateTypeCombination.

/**
 * Check the combination of the source and target types are valid or not and throw proper exception.
 * Here the integers 0-4 refer as below
 * 0-custom, 1-envelope, 2-body, 3-property, 4-inline
 *
 * @param sourceElement
 * @param targetElement
 */
private void validateTypeCombination(OMElement sourceElement, OMElement targetElement) {
    int sourceType = -1;
    int targetType = -1;
    // source type attribute
    OMAttribute sourceTypeAttr = sourceElement.getAttribute(ATT_TYPE);
    if (sourceTypeAttr != null && sourceTypeAttr.getAttributeValue() != null) {
        sourceType = convertTypeToInt(sourceTypeAttr.getAttributeValue());
        // check if source type is different form the existing
        if (sourceType < 0) {
            throw new SynapseException("Unexpected source type");
        }
    }
    // target type attribute
    OMAttribute targetTypeAttr = targetElement.getAttribute(ATT_TYPE);
    if (targetTypeAttr != null && targetTypeAttr.getAttributeValue() != null) {
        targetType = convertTypeToInt(targetTypeAttr.getAttributeValue());
        // check if target type is different form the existing
        if (targetType < 0) {
            throw new SynapseException("Unexpected target type");
        }
        // check if target type is 4-inline
        if (targetType == 4) {
            throw new SynapseException("Inline not support for target attribute");
        }
    }
    /*
            check the wrong combination such as
            sourceType = 1-envelope and targetType = 0-custom
            sourceType = 1-envelope and targetType = 2-body
            sourceType = 2-body and targetType = 2-body
            sourceType = 0-custom and targetType = 1-envelope
            sourceType = 1-envelope and targetType = 1-envelope
            sourceType = 2-body and targetType = 1-envelope

         */
    if (sourceType == 1) {
        if (targetType == 0 || targetType == 1 || targetType == 2) {
            throw new SynapseException("Wrong combination of source and target type");
        }
    } else if (sourceType == 2) {
        if (targetType == 1 || targetType == 2) {
            throw new SynapseException("Wrong combination of source and target type");
        }
    } else if (sourceType == 0 && targetType == 1) {
        throw new SynapseException("Wrong combination of source and target type");
    }
}

Example 79 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class ConfigurationFactoryAndSerializerFinder method loadConfigurationFatoriesAndSerializers.

private static void loadConfigurationFatoriesAndSerializers() {
    for (Class c : configurationFactories) {
        if (c != null) {
            try {
                ConfigurationFactory fac = (ConfigurationFactory) c.newInstance();
                factoryMap.put(fac.getTagQName(), c);
                serializerMap.put(fac.getTagQName(), fac.getSerializerClass());
            } catch (Exception e) {
                throw new SynapseException("Error instantiating " + c.getName(), e);
            }
        }
    }
    // now iterate through the available plugable mediator factories
    registerExtensions();
    initialized = true;
}

Example 80 with SynapseException

use of org.apache.synapse.SynapseException in project wso2-synapse by wso2.

the class ConfigurationFactoryAndSerializerFinder method getConfiguration.

/**
 * This method returns a Processor given an OMElement. This will be used
 * recursively by the elements which contain processor elements themselves
 * (e.g. rules)
 *
 * @param element
 * @return Processor
 */
public SynapseConfiguration getConfiguration(OMElement element, Properties properties) {
    String localName = element.getLocalName();
    QName qName;
    if (element.getNamespace() != null) {
        qName = new QName(element.getNamespace().getNamespaceURI(), localName);
    } else {
        qName = new QName(localName);
    }
    if (log.isDebugEnabled()) {
        log.debug("getConfiguration(" + qName + ")");
    }
    Class cls = factoryMap.get(qName);
    if (cls == null) {
        String msg = "Unknown Configuration type " + "referenced by configuration element : " + qName;
        log.error(msg);
        throw new SynapseException(msg);
    }
    try {
        ConfigurationFactory cf = (ConfigurationFactory) cls.newInstance();
        return cf.getConfiguration(element, properties);
    } catch (InstantiationException e) {
        String msg = "Error initializing configuration factory : " + cls;
        log.error(msg);
        throw new SynapseException(msg, e);
    } catch (IllegalAccessException e) {
        String msg = "Error initializing configuration factory : " + cls;
        log.error(msg);
        throw new SynapseException(msg, e);
    }
}