/*
* Copyright 2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.xd.dirt.rest;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.hateoas.mvc.ResourceAssemblerSupport;
import org.springframework.stereotype.Component;
import org.springframework.xd.module.ModuleDefinition;
import org.springframework.xd.module.options.ModuleOption;
import org.springframework.xd.module.options.ModuleOptionsMetadata;
import org.springframework.xd.module.options.ModuleOptionsMetadataResolver;
import org.springframework.xd.module.options.PassthruModuleOptionsMetadata;
import org.springframework.xd.module.options.types.Password;
import org.springframework.xd.rest.domain.DetailedModuleDefinitionResource;
/**
* Knows how to build {@link DetailedModuleDefinitionResource} out of a {@link ModuleDefinition}.
*
* @author Eric Bottard
*/
@Component
public class DetailedModuleDefinitionResourceAssembler extends
ResourceAssemblerSupport<ModuleDefinition, DetailedModuleDefinitionResource> {
private ModuleOptionsMetadataResolver moduleOptionsMetadataResolver;
@Autowired
public DetailedModuleDefinitionResourceAssembler(ModuleOptionsMetadataResolver moduleOptionsMetadataResolver) {
super(ModulesController.class, DetailedModuleDefinitionResource.class);
this.moduleOptionsMetadataResolver = moduleOptionsMetadataResolver;
}
@Override
public DetailedModuleDefinitionResource toResource(ModuleDefinition entity) {
return createResourceWithId(entity.getType() + "/" + entity.getName(), entity);
}
@Override
protected DetailedModuleDefinitionResource instantiateResource(ModuleDefinition entity) {
DetailedModuleDefinitionResource result = new DetailedModuleDefinitionResource(entity.getName(),
entity.getType().name(), entity.isComposed());
ModuleOptionsMetadata moduleOptionsMetadata = moduleOptionsMetadataResolver.resolve(entity);
if (!(moduleOptionsMetadata instanceof PassthruModuleOptionsMetadata)) {
for (ModuleOption option : moduleOptionsMetadata) {
Object defaultValue = option.getDefaultValue();
Class<?> type = option.getType();
final String defaultValueAsString;
if (Password.class.equals(type) && defaultValue != null) {
defaultValueAsString = "******";
}
else if (defaultValue == null) {
defaultValueAsString = null;
}
else {
defaultValueAsString = defaultValue.toString();
}
result.addOption(new DetailedModuleDefinitionResource.Option(option.getName(),
type == null ? null : type.getSimpleName(), option.getDescription(),
defaultValueAsString, option.isHidden()));
}
}
return result;
}
}