net.sf.mmm.util.value.impl.ValueConverterToPattern Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of mmm-util-pojo Show documentation

This project provides common utitlities to for POJOs.

There is a newer version: 8.7.0

/* Copyright (c) The m-m-m Team, Licensed under the Apache License, Version 2.0
 * http://www.apache.org/licenses/LICENSE-2.0 */
package net.sf.mmm.util.value.impl;

import java.util.regex.Pattern;

import javax.inject.Named;
import javax.inject.Singleton;

import net.sf.mmm.util.value.base.AbstractSimpleValueConverter;

/**
 * This is an implementation of the {@link net.sf.mmm.util.value.api.ValueConverter} interface that converts a
 * {@link CharSequence} to a {@link Pattern}.
 *
 * @author Joerg Hohwiller (hohwille at users.sourceforge.net)
 * @since 7.3.0
 */
@Singleton
@Named
public class ValueConverterToPattern extends AbstractSimpleValueConverter {

  /**
   * The constructor.
   */
  public ValueConverterToPattern() {

    super();
  }

  @Override
  public Class getSourceType() {

    return CharSequence.class;
  }

  @Override
  public Class getTargetType() {

    return Pattern.class;
  }

  @SuppressWarnings("unchecked")
  @Override
  public  T convert(CharSequence value, Object valueSource, Class targetClass) {

    if (value == null) {
      return null;
    }
    return (T) Pattern.compile(value.toString());
  }

}