Android Open Source - android-calendar-drafts Where Query Part Builder

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License

The source code is released under:

Apache License

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Java Source Code

package com.touchableheroes.drafts.calendar.util;
//from  www  . j a  v a 2s  .  c o  m
import java.util.ArrayList;

import android.provider.CalendarContract.Events;

/**
 * simplifies the query-building for events and calendar-content-provider.
 * 
 * @author A. Siebert, ask@touchableheroes.com
 */
public class WhereQueryPartBuilder {

  public static WherePart createForEvents(final String title,
      final long begin, final long end, final String location,
      final String description) {
    final StringBuilder builder = new StringBuilder();
    final ArrayList<String> values = new ArrayList<String>(5);

    appendWhere(builder, Events.TITLE, title, values);
    appendWhereLong(builder, Events.DTSTART, begin, values);
    appendWhereLong(builder, Events.DTEND, end, values);
    appendWhere(builder, Events.DESCRIPTION, description, values);

    // TODO: add some other features later!
    // appendWhere(builder, Events.LOCATION, location, values);

    return new WherePart(builder.toString(), values);
  }

  private static void appendWhereLong(StringBuilder builder, String key,
      long value, ArrayList<String> values) {
    final String valStr = String.valueOf(value);
    
    appendWhere(builder, key, valStr, values);
  }

  private static void appendWhere(final StringBuilder builder,
      final String key, final String value, final ArrayList<String> values) {
    if (value == null)
      return;

    if (builder.length() > 0)
      builder.append(" AND ");

    builder.append(key);
    builder.append(" = ? ");

    values.add(value);
  }

}

Java Source Code List