FluentSpannableStringBuilder

FluentSpannableStringBuilder.java

package com.f2prateek.couchpotato.util;

import android.text.Spannable;
import android.text.SpannableString;
import java.util.ArrayList;
import java.util.List;

public class FluentSpannableStringBuilder {

  List<Bean> beanList;

  public FluentSpannableStringBuilder() {
    beanList = new ArrayList<Bean>();
  }

  public void addSpan(String text, Object span) {
    beanList.add(new Bean(text, span));
  }

  public SpannableString build() {
    StringBuilder stringBuilder = new StringBuilder();
    for (Bean bean : beanList) {
      stringBuilder.append(bean.text);
    }

    SpannableString spannableString = new SpannableString(stringBuilder);

    for (Bean bean : beanList) {
      if (bean.span == null) {
        continue;
      }
      int index = stringBuilder.indexOf(bean.text);
      spannableString.setSpan(bean.span, index, index + bean.text.length(),
          Spannable.SPAN_INCLUSIVE_INCLUSIVE);
    }

    return spannableString;
  }

  private class Bean {
    String text;
    Object span;

    private Bean(String text, Object span) {
      this.text = text;
      this.span = span;
    }
  }
}