- * Retrieve the CMIS property value for an Alfresco node + * Retrieve the CMIS property value for an Alfresco node and optionally dereferences it as an objectId. *
* Usage: cmisproperty(TemplateNode node, String propertyName) - * + * cmisproperty(TemplateNode node, String propertyName, Boolean asObject) * @author davidc + * @author dward */ -public final class CMISPropertyValueMethod implements TemplateMethodModelEx +public class CMISPropertyValueMethod implements TemplateMethodModelEx { /** * NULL value marker */ - public static class NULL {}; + public static class NULL + { + }; + public static TemplateModel IS_NULL = new BeanModel(new NULL(), BeansWrapper.getDefaultInstance()); - + private CMISServices cmisService; + private TemplateImageResolver imageResolver; + private TemplateValueConverter templateValueConverter; /** * Construct */ - public CMISPropertyValueMethod(CMISServices cmisService) + public CMISPropertyValueMethod(CMISServices cmisService, RepositoryImageResolver imageResolver, + TemplateValueConverter templateValueConverter) { this.cmisService = cmisService; + this.imageResolver = imageResolver.getImageResolver(); + this.templateValueConverter = templateValueConverter; } - - /** - * @see freemarker.template.TemplateMethodModel#exec(java.util.List) - */ + @SuppressWarnings("unchecked") public Object exec(List args) throws TemplateModelException { - Object result = null; - - if (args.size() == 2) + Object wrapped = null; + String propertyName = null; + boolean asObject = false; + try { - Object arg0 = args.get(0); - if (arg0 instanceof BeanModel) - { - // extract property name - String propertyName = null; - Object arg1 = args.get(1); - if (arg1 instanceof TemplateScalarModel) - { - propertyName = ((TemplateScalarModel)arg1).getAsString(); - } + int i = 0; - // extract node - Object wrapped = ((BeanModel)arg0).getWrappedObject(); - if (wrapped != null && wrapped instanceof TemplateNode) - { - // retrieve property value from node - try - { - result = cmisService.getProperty(((TemplateNode)wrapped).getNodeRef(), propertyName); - } - catch (CMISInvalidArgumentException e) - { - throw new WebScriptException(e.getStatusCode(), e.getMessage(), e); - } - } - else if (wrapped != null && wrapped instanceof TemplateAssociation) - { - // retrieve property value from node - result = cmisService.getProperty(((TemplateAssociation)wrapped).getAssociationRef(), propertyName); - } + // extract object + Object arg = args.get(i++); + if (arg instanceof BeanModel) + { + wrapped = ((BeanModel) arg).getWrappedObject(); + } + + // extract property name + arg = args.get(i++); + if (arg instanceof TemplateScalarModel) + { + propertyName = ((TemplateScalarModel) arg).getAsString(); + } + + // extract asObject flag + arg = args.get(i++); + if (arg instanceof TemplateBooleanModel) + { + asObject = ((TemplateBooleanModel) arg).getAsBoolean(); } } + catch (IndexOutOfBoundsException e) + { + // Ignore optional arguments + } + + try + { + Object result = null; + if (wrapped != null && wrapped instanceof TemplateNode) + { + // retrieve property value from node + result = cmisService.getProperty(((TemplateNode) wrapped).getNodeRef(), propertyName); + } + else if (wrapped != null && wrapped instanceof TemplateAssociation) + { + // retrieve property value from association + result = cmisService.getProperty(((TemplateAssociation) wrapped).getAssociationRef(), propertyName); + } + if (asObject && result instanceof String) + { + // convert result to an object if required + result = cmisService.getReadableObject((String) result, Object.class); + } + return result == null ? IS_NULL : templateValueConverter.convertValue(result, imageResolver); + } + catch (CMISServiceException e) + { + throw new WebScriptException(e.getStatusCode(), e.getMessage(), e); + } - return result == null ? IS_NULL : result; } + }