com.sap.research.connectivity.gw.converters.GwEndpointConverter.java Source code

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Here is the source code for com.sap.research.connectivity.gw.converters.GwEndpointConverter.java

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/*
 * Copyright 2012 SAP AG
 *
 * 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 com.sap.research.connectivity.gw.converters;

import java.util.List;
import java.util.SortedSet;
import java.util.TreeSet;

import org.apache.commons.lang3.StringUtils;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Service;
import org.springframework.roo.file.monitor.event.FileDetails;
import org.springframework.roo.shell.Completion;
import org.springframework.roo.shell.Converter;
import org.springframework.roo.shell.MethodTarget;

import com.sap.research.connectivity.gw.GWOperationsUtils;
import com.sap.research.connectivity.gw.GwEndpoint;

@Component
@Service

public class GwEndpointConverter extends GWOperationsUtils implements Converter<GwEndpoint> {

    public GwEndpoint convertFromText(String value, final Class<?> requiredType, final String optionContext) {

        return new GwEndpoint(value);
    }

    public boolean getAllPossibleValues(final List<Completion> completions, final Class<?> requiredType,
            String existingData, final String optionContext, final MethodTarget target) {

        existingData = StringUtils.stripToEmpty(existingData);

        // Search for all files matching the pattern *_metadata.xml (we assume that the connectivity class corresponding to the endpoint xml 
        // contains the same name (e.g. gw1.java and gw1_metadata.xml)
        SortedSet<FileDetails> files = new TreeSet<FileDetails>();
        if (!optionContext.isEmpty()) {
            files = fileManager
                    .findMatchingAntPath(getSubPackagePath(optionContext) + SEPARATOR + "*_metadata.xml");
        }

        String filePath = "", nameSpace = "";
        for (FileDetails f : files) {
            filePath = f.getCanonicalPath();
            nameSpace = filePath.substring(filePath.lastIndexOf(SEPARATOR) + 1,
                    filePath.lastIndexOf("_metadata.xml"));
            completions.add(new Completion(nameSpace));
        }

        return false;
    }

    public boolean supports(Class<?> requiredType, String optionContext) {
        return GwEndpoint.class.isAssignableFrom(requiredType);
    }
}