xapi.jre.util.JreStringService Maven / Gradle / Ivy

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Everything needed to run a comprehensive dev environment. Just type X_ and pick a service from autocomplete; new dev modules will be added as they are built. The only dev service not included in the uber jar is xapi-dev-maven, as it includes all runtime dependencies of maven, adding ~4 seconds to build time, and 6 megabytes to the final output jar size (without xapi-dev-maven, it's ~1MB).

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package xapi.jre.util;

import java.nio.charset.Charset;

import xapi.annotation.inject.SingletonDefault;
import xapi.util.service.StringService;

@SingletonDefault(implFor=StringService.class)
public class JreStringService implements StringService {

  private static final Charset UTF8;
  static {
    UTF8 = Charset.forName("UTF8");
  }

  @Override
  public boolean notNullOrEmpty(String str) {
    return str != null && str.length() != 0;
  }

  @Override
  public String notNullOrEmpty(String str, String dflt) {
    return str == null || str.length() == 0 ? dflt : str;
  }

  @Override
  public byte[] toBytes(String str) {
    return str.getBytes(UTF8);
  }

}