MavenPropertyValueProviderPlugin.java

/*
 * #%L
 * wcm.io
 * %%
 * Copyright (C) 2018 wcm.io
 * %%
 * 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.
 * #L%
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package io.wcm.devops.conga.tooling.maven.plugin.valueprovider;

import io.wcm.devops.conga.generator.spi.ValueProviderPlugin;
import io.wcm.devops.conga.generator.spi.context.ValueProviderContext;
import io.wcm.devops.conga.generator.util.ValueUtil;
import io.wcm.devops.conga.tooling.maven.plugin.util.MavenContext;

/**
 * Gets values from java system properties.
 */
public class MavenPropertyValueProviderPlugin implements ValueProviderPlugin {

  /**
   * Plugin name
   */
  public static final String NAME = "maven";

  @Override
  public String getName() {
    return NAME;
  }

  @Override
  public Object resolve(String variableName, ValueProviderContext context) {
    MavenContext mavenContext = (MavenContext)context.getContainerContext();
    String value = System.getProperty(variableName);
    if (value == null) {
      value = mavenContext.getProject().getProperties().getProperty(variableName);
    }
    return ValueUtil.stringToValue(value);
  }

}