Android Open Source - RZAndroidBaseUtils String Utils






From Project

Back to project page RZAndroidBaseUtils.

License

The source code is released under:

MIT License

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Java Source Code

package com.raizlabs.baseutils;
/*w w w. j ava2  s  .co  m*/
/**
 * Collection of utilities for use with {@link String}s.
 * 
 * @author Dylan James
 *
 */
public class StringUtils {
  
  /**
   * Joins the given set of strings, placing the given delimiter between each.
   * @param delimiter The string to place between each item.
   * @param items The set of strings to join together.
   * @return The joined {@link String}.
   */
  public static String join(String delimiter, Iterable<String> items) {
    StringBuilder builder = new StringBuilder();
    
    boolean isFirst = true;
    for (String str : items) {
      if (!isFirst) builder.append(delimiter);
      builder.append(str);
      isFirst = false;
    }
    
    return builder.toString();
  }
  
  /**
   * Returns true if the given string is null, the empty string, or the
   * string "null".
   * @param str The string to check.
   * @return True if the string is null or empty.
   */
  public static boolean isNullOrEmpty(String str) {
    return (str == null) || (str.equals("")) || (str.equals("null"));
  }
}




Java Source Code List

com.raizlabs.baseutils.CompatibilityUtils.java
com.raizlabs.baseutils.IOUtils.java
com.raizlabs.baseutils.Logger.java
com.raizlabs.baseutils.Math.java
com.raizlabs.baseutils.StringUtils.java
com.raizlabs.baseutils.ThreadingUtils.java
com.raizlabs.baseutils.Wrapper.java
com.raizlabs.baseutils.examples.MainActivity.java
com.raizlabs.baseutils.examples.asyncdrawable.AsyncDrawableExampleActivity.java
com.raizlabs.baseutils.examples.asyncdrawable.AsyncDrawableListExampleActivity.java
com.raizlabs.baseutils.examples.simplegenericadapter.SimpleGenericAdapterExampleActivity.java
com.raizlabs.baseutils.examples.viewgroupadapter.ViewGroupAdapterExampleActivity.java
com.raizlabs.baseutils.examples.viewholderstrategy.SimpleViewHolderStrategyExampleActivity.java
com.raizlabs.collections.ListUtils.java
com.raizlabs.collections.MappableSet.java
com.raizlabs.collections.TransactionalHashSet.java
com.raizlabs.concurrent.BasePrioritizedRunnable.java
com.raizlabs.concurrent.ConcurrencyUtils.java
com.raizlabs.concurrent.PrioritizedRunnable.java
com.raizlabs.concurrent.Prioritized.java
com.raizlabs.content.sharing.SharingUtils.java
com.raizlabs.database.CursorIterable.java
com.raizlabs.database.CursorIterator.java
com.raizlabs.events.EventListener.java
com.raizlabs.events.Event.java
com.raizlabs.events.ProgressListener.java
com.raizlabs.events.SimpleEventListener.java
com.raizlabs.functions.Delegate.java
com.raizlabs.functions.Predicate.java
com.raizlabs.functions.Provider.java
com.raizlabs.graphics.ImageFactory.java
com.raizlabs.graphics.drawable.async.AsyncDrawableTask.java
com.raizlabs.graphics.drawable.async.AsyncDrawableUtils.java
com.raizlabs.graphics.drawable.async.AsyncDrawableWrapper.java
com.raizlabs.graphics.drawable.async.AsyncDrawable.java
com.raizlabs.graphics.drawable.async.BaseAsyncDrawableTask.java
com.raizlabs.imagecaching.ImageCache.java
com.raizlabs.imagecaching.PrefixedImageCacheAdapter.java
com.raizlabs.imagecaching.StubImageCache.java
com.raizlabs.json.JSONArrayParserDelegate.java
com.raizlabs.json.JSONHelper.java
com.raizlabs.synchronization.OneShotLock.java
com.raizlabs.tasks.RZAsyncTaskEvent.java
com.raizlabs.tasks.RZAsyncTaskListener.java
com.raizlabs.tasks.RZAsyncTask.java
com.raizlabs.util.observable.ObservableData.java
com.raizlabs.util.observable.ObservableListAdapter.java
com.raizlabs.util.observable.ObservableList.java
com.raizlabs.view.ViewCompatibility.java
com.raizlabs.view.animation.AnimationListenerWrapper.java
com.raizlabs.view.animation.RelativeLayoutParamsAnimation.java
com.raizlabs.view.animation.ResizeAnimation.java
com.raizlabs.widget.EvenLinearLayout.java
com.raizlabs.widget.ImageMixView.java
com.raizlabs.widget.SlideRevealLayout.java
com.raizlabs.widget.ViewUtils.java
com.raizlabs.widget.adapters.ListBasedAdapter.java
com.raizlabs.widget.adapters.SimpleGenericAdapter.java
com.raizlabs.widget.adapters.ViewGroupAdapter.java
com.raizlabs.widget.adapters.ViewHolderStrategyAdapter.java
com.raizlabs.widget.utils.SimpleViewHolderStrategy.java
com.raizlabs.widget.utils.ViewHolderStrategyConverter.java
com.raizlabs.widget.utils.ViewHolderStrategyUtils.java
com.raizlabs.widget.utils.ViewHolderStrategy.java