StringField.java

package org.springframework.roo.classpath.operations.jsr303;

import static org.springframework.roo.model.Jsr303JavaType.PATTERN;
import static org.springframework.roo.model.Jsr303JavaType.SIZE;

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

import org.springframework.roo.classpath.details.annotations.AnnotationAttributeValue;
import org.springframework.roo.classpath.details.annotations.AnnotationMetadataBuilder;
import org.springframework.roo.classpath.details.annotations.IntegerAttributeValue;
import org.springframework.roo.classpath.details.annotations.StringAttributeValue;
import org.springframework.roo.model.JavaSymbolName;
import org.springframework.roo.model.JavaType;

/**
 * Extra validation properties specified to String properties.
 * 
 * @author Ben Alex
 * @since 1.0
 */
public class StringField extends StringOrNumericField {

  /** Whether the JSR 3030 @Pattern annotation will be added */
  private String regexp;

  /**
   * Whether the JSR 303 @Size annotation will be added; provides the "max"
   * attribute (defaults to {@link Integer#MAX_VALUE})
   */
  private Integer sizeMax;

  /**
   * Whether the JSR 303 @Size annotation will be added; provides the "min"
   * attribute (defaults to 0)
   */
  private Integer sizeMin;

  public StringField(final String physicalTypeIdentifier, final JavaSymbolName fieldName) {
    super(physicalTypeIdentifier, JavaType.STRING, fieldName);
  }

  @Deprecated
  public StringField(final String physicalTypeIdentifier, final JavaType fieldType,
      final JavaSymbolName fieldName) {
    super(physicalTypeIdentifier, fieldType, fieldName);
  }

  @Override
  public void decorateAnnotationsList(final List<AnnotationMetadataBuilder> annotations) {
    super.decorateAnnotationsList(annotations);
    if (sizeMin != null || sizeMax != null) {
      final List<AnnotationAttributeValue<?>> attrs = new ArrayList<AnnotationAttributeValue<?>>();
      if (sizeMin != null) {
        attrs.add(new IntegerAttributeValue(new JavaSymbolName("min"), sizeMin));
      }
      if (sizeMax != null) {
        attrs.add(new IntegerAttributeValue(new JavaSymbolName("max"), sizeMax));
      }
      annotations.add(new AnnotationMetadataBuilder(SIZE, attrs));
    }
    if (regexp != null) {
      final List<AnnotationAttributeValue<?>> attrs = new ArrayList<AnnotationAttributeValue<?>>();
      attrs.add(new StringAttributeValue(new JavaSymbolName("regexp"), regexp));
      annotations.add(new AnnotationMetadataBuilder(PATTERN, attrs));
    }
  }

  public String getRegexp() {
    return regexp;
  }

  public Integer getSizeMax() {
    return sizeMax;
  }

  public Integer getSizeMin() {
    return sizeMin;
  }

  public void setRegexp(final String regexp) {
    this.regexp = regexp;
  }

  public void setSizeMax(final Integer sizeMax) {
    this.sizeMax = sizeMax;
  }

  public void setSizeMin(final Integer sizeMin) {
    this.sizeMin = sizeMin;
  }
}