MidTypeMatcher.java

package org.springframework.roo.classpath.customdata.taggers;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang3.Validate;
import org.springframework.roo.classpath.details.MemberHoldingTypeDetails;
import org.springframework.roo.model.CustomDataKey;

/**
 * {@link MemberHoldingTypeDetails}-specific implementation of {@link Matcher}.
 * Matches are based on the the type's MID.
 * 
 * @author James Tyrrell
 * @since 1.1.3
 */
public class MidTypeMatcher extends TypeMatcher {

  private final CustomDataKey<MemberHoldingTypeDetails> customDataKey;
  private final String declaredBy;

  /**
   * Constructor
   * 
   * @param customDataKey
   * @param declaredBy the declaring class (required)
   * @since 1.2
   */
  public MidTypeMatcher(final CustomDataKey<MemberHoldingTypeDetails> customDataKey,
      final Class<?> declaredBy) {
    this(customDataKey, declaredBy.getName());
  }

  /**
   * Constructor
   * 
   * @param customDataKey
   * @param declaredBy (required)
   */
  public MidTypeMatcher(final CustomDataKey<MemberHoldingTypeDetails> customDataKey,
      final String declaredBy) {
    Validate.notBlank(declaredBy, "declaredBy is required");
    this.customDataKey = customDataKey;
    this.declaredBy = declaredBy;
  }

  public CustomDataKey<MemberHoldingTypeDetails> getCustomDataKey() {
    return customDataKey;
  }

  public Object getTagValue(final MemberHoldingTypeDetails key) {
    return null;
  }

  public List<MemberHoldingTypeDetails> matches(
      final List<MemberHoldingTypeDetails> memberHoldingTypeDetailsList) {
    final List<MemberHoldingTypeDetails> types = new ArrayList<MemberHoldingTypeDetails>();
    for (final MemberHoldingTypeDetails memberHoldingTypeDetails : memberHoldingTypeDetailsList) {
      if (memberHoldingTypeDetails.getDeclaredByMetadataId().startsWith("MID:" + declaredBy)) {
        types.add(memberHoldingTypeDetails);
      }
    }
    return types;
  }
}