com.adaptris.core.services.dynamic.ServiceFromDataInputParameter.java Source code

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Here is the source code for com.adaptris.core.services.dynamic.ServiceFromDataInputParameter.java

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/*******************************************************************************
 * Copyright 2019 Adaptris Ltd.
 *
 * 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.adaptris.core.services.dynamic;

import java.io.InputStream;
import javax.validation.Valid;
import javax.validation.constraints.NotNull;
import org.apache.commons.io.IOUtils;
import com.adaptris.annotation.ComponentProfile;
import com.adaptris.annotation.DisplayOrder;
import com.adaptris.core.AdaptrisMessage;
import com.adaptris.core.common.ConstantDataInputParameter;
import com.adaptris.core.common.MetadataDataInputParameter;
import com.adaptris.core.common.StringPayloadDataInputParameter;
import com.adaptris.core.util.Args;
import com.adaptris.interlok.config.DataInputParameter;
import com.thoughtworks.xstream.annotations.XStreamAlias;

/**
 * Extract the service to execute based on the configured {@link DataInputParameter}
 * 
 * <p>
 * Wraps {@code DataInputParameter<String>} so you can use any of those implementations as the
 * source of your executable service.
 * </p>
 * 
 * @config dynamic-service-from-data-input
 * @see DynamicServiceExecutor
 * @see ConstantDataInputParameter
 * @see StringPayloadDataInputParameter
 * @see MetadataDataInputParameter
 *
 */
@XStreamAlias("dynamic-service-from-data-input")
@ComponentProfile(summary = "Extract the service to execute from a DataInputParameter", since = "3.8.4")
@DisplayOrder(order = { "input" })
public class ServiceFromDataInputParameter extends ServiceExtractorImpl {

    @NotNull
    @Valid
    private DataInputParameter<String> input;

    public ServiceFromDataInputParameter() {

    }

    public ServiceFromDataInputParameter(DataInputParameter<String> input) {
        this();
        setInput(input);
    }

    @Override
    public InputStream getInputStream(AdaptrisMessage m) throws Exception {
        Args.notNull(input, "input");
        return IOUtils.toInputStream(input.extract(m), m.getContentEncoding());
    }

    public DataInputParameter<String> getInput() {
        return input;
    }

    public void setInput(DataInputParameter<String> input) {
        this.input = Args.notNull(input, "input");
    }

}