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package org.apache.commons.configuration; |
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import java.awt.Color; |
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import java.math.BigDecimal; |
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import java.math.BigInteger; |
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import java.net.MalformedURLException; |
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import java.net.URL; |
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import java.text.ParseException; |
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import java.text.SimpleDateFormat; |
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import java.util.ArrayList; |
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import java.util.Calendar; |
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import java.util.Collection; |
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import java.util.Date; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Locale; |
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import org.apache.commons.collections.IteratorUtils; |
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import org.apache.commons.collections.iterators.IteratorChain; |
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import org.apache.commons.collections.iterators.SingletonIterator; |
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import org.apache.commons.lang.BooleanUtils; |
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import org.apache.commons.lang.StringUtils; |
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public final class PropertyConverter |
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{ |
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static final String LIST_ESCAPE = "\\"; |
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private static final String HEX_PREFIX = "0x"; |
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private static final int HEX_RADIX = 16; |
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private PropertyConverter() |
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{ |
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} |
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public static Boolean toBoolean(Object value) throws ConversionException |
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{ |
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if (value instanceof Boolean) |
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{ |
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return (Boolean) value; |
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} |
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else if (value instanceof String) |
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Boolean b = BooleanUtils.toBooleanObject((String) value); |
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if (b == null) |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to a Boolean object"); |
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} |
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return b; |
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} |
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else |
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throw new ConversionException("The value " + value + " can't be converted to a Boolean object"); |
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} |
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} |
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public static Byte toByte(Object value) throws ConversionException |
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if (value instanceof Byte) |
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return (Byte) value; |
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} |
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else if (value instanceof String) |
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{ |
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try |
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{ |
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String string = (String) value; |
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if (string.startsWith(HEX_PREFIX)) |
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return new Byte((byte) Integer.parseInt(string.substring(2), HEX_RADIX)); |
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} |
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else |
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{ |
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return new Byte(string); |
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} |
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} |
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catch (NumberFormatException e) |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to a Byte object", e); |
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} |
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} |
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else |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to a Byte object"); |
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} |
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} |
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public static Short toShort(Object value) throws ConversionException |
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{ |
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if (value instanceof Short) |
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{ |
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return (Short) value; |
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} |
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else if (value instanceof String) |
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{ |
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try |
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{ |
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String string = (String) value; |
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if (string.startsWith(HEX_PREFIX)) |
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return new Short((short) Integer.parseInt(string.substring(2), HEX_RADIX)); |
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} |
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else |
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{ |
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return new Short(string); |
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} |
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} |
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catch (NumberFormatException e) |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to a Short object", e); |
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} |
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} |
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else |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to a Short object"); |
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} |
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} |
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public static Integer toInteger(Object value) throws ConversionException |
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if (value instanceof Integer) |
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{ |
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return (Integer) value; |
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} |
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else if (value instanceof String) |
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{ |
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try |
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{ |
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String string = (String) value; |
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if (string.startsWith(HEX_PREFIX)) |
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return new Integer((int) Long.parseLong(string.substring(2), HEX_RADIX)); |
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} |
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else |
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{ |
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return new Integer(string); |
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} |
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} |
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catch (NumberFormatException e) |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to an Integer object", e); |
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} |
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} |
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else |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to an Integer object"); |
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} |
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} |
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public static Long toLong(Object value) throws ConversionException |
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if (value instanceof Long) |
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{ |
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return (Long) value; |
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} |
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else if (value instanceof String) |
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{ |
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try |
225 |
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{ |
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String string = (String) value; |
227 |
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if (string.startsWith(HEX_PREFIX)) |
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return new Long(class="keyword">new BigInteger(string.substring(2), HEX_RADIX).longValue()); |
230 |
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} |
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else |
232 |
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{ |
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return new Long(string); |
234 |
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} |
235 |
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} |
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catch (NumberFormatException e) |
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{ |
238 |
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throw new ConversionException("The value " + value + " can't be converted to a Long object", e); |
239 |
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} |
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} |
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else |
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{ |
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throw new ConversionException("The value " + value + " can't be converted to a Long object"); |
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} |
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} |
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public static Float toFloat(Object value) throws ConversionException |
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{ |
256 |
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if (value instanceof Float) |
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{ |
258 |
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return (Float) value; |
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} |
260 |
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else if (value instanceof String) |
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{ |
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try |
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return new Float((String) value); |
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} |
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catch (NumberFormatException e) |
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{ |
268 |
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throw new ConversionException("The value " + value + " can't be converted to a Float object", e); |
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} |
270 |
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} |
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else |
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{ |
273 |
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throw new ConversionException("The value " + value + " can't be converted to a Float object"); |
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} |
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} |
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public static Double toDouble(Object value) throws ConversionException |
285 |
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{ |
286 |
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if (value instanceof Double) |
287 |
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{ |
288 |
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return (Double) value; |
289 |
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} |
290 |
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else if (value instanceof String) |
291 |
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{ |
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try |
293 |
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{ |
294 |
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return new Double((String) value); |
295 |
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} |
296 |
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catch (NumberFormatException e) |
297 |
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{ |
298 |
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throw new ConversionException("The value " + value + " can't be converted to a Double object", e); |
299 |
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} |
300 |
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} |
301 |
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else |
302 |
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{ |
303 |
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throw new ConversionException("The value " + value + " can't be converted to a Double object"); |
304 |
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} |
305 |
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} |
306 |
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308 |
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309 |
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310 |
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311 |
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312 |
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313 |
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314 |
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public static BigInteger toBigInteger(Object value) throws ConversionException |
315 |
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{ |
316 |
104 |
if (value instanceof BigInteger) |
317 |
24 |
{ |
318 |
28 |
return (BigInteger) value; |
319 |
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} |
320 |
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else if (value instanceof String) |
321 |
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{ |
322 |
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try |
323 |
23 |
{ |
324 |
48 |
String string = (String) value; |
325 |
48 |
if (string.startsWith(HEX_PREFIX)) |
326 |
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{ |
327 |
2 |
return new BigInteger(string.substring(2), HEX_RADIX); |
328 |
4 |
} |
329 |
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else |
330 |
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{ |
331 |
46 |
return new BigInteger(string); |
332 |
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} |
333 |
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} |
334 |
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catch (NumberFormatException e) |
335 |
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{ |
336 |
8 |
throw new ConversionException("The value " + value + " can't be converted to a BigInteger object", e); |
337 |
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} |
338 |
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} |
339 |
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else |
340 |
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{ |
341 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a BigInteger object"); |
342 |
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} |
343 |
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} |
344 |
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345 |
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346 |
39 |
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347 |
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348 |
14 |
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349 |
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350 |
25 |
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351 |
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352 |
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public static BigDecimal toBigDecimal(Object value) throws ConversionException |
353 |
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{ |
354 |
101 |
if (value instanceof BigDecimal) |
355 |
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{ |
356 |
28 |
return (BigDecimal) value; |
357 |
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} |
358 |
54 |
else if (value instanceof String) |
359 |
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{ |
360 |
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try |
361 |
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{ |
362 |
46 |
return new BigDecimal((String) value); |
363 |
2 |
} |
364 |
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catch (NumberFormatException e) |
365 |
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{ |
366 |
8 |
throw new ConversionException("The value " + value + " can't be converted to a BigDecimal object", e); |
367 |
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} |
368 |
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} |
369 |
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else |
370 |
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{ |
371 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a BigDecimal object"); |
372 |
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} |
373 |
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} |
374 |
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375 |
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376 |
35 |
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377 |
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378 |
15 |
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379 |
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380 |
20 |
|
381 |
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382 |
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public static URL toURL(Object value) throws ConversionException |
383 |
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{ |
384 |
88 |
if (value instanceof URL) |
385 |
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{ |
386 |
30 |
return (URL) value; |
387 |
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} |
388 |
42 |
else if (value instanceof String) |
389 |
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{ |
390 |
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try |
391 |
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{ |
392 |
36 |
return new URL((String) value); |
393 |
2 |
} |
394 |
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catch (MalformedURLException e) |
395 |
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{ |
396 |
4 |
throw new ConversionException("The value " + value + " can't be converted to an URL", e); |
397 |
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} |
398 |
|
} |
399 |
|
else |
400 |
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{ |
401 |
4 |
throw new ConversionException("The value " + value + " can't be converted to an URL"); |
402 |
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} |
403 |
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} |
404 |
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|
405 |
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|
406 |
40 |
|
407 |
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|
408 |
14 |
|
409 |
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|
410 |
26 |
|
411 |
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|
412 |
24 |
public static Locale toLocale(Object value) throws ConversionException |
413 |
24 |
{ |
414 |
80 |
if (value instanceof Locale) |
415 |
24 |
{ |
416 |
28 |
return (Locale) value; |
417 |
22 |
} |
418 |
74 |
else if (value instanceof String) |
419 |
22 |
{ |
420 |
48 |
List elements = split((String) value, '_'); |
421 |
70 |
int size = elements.size(); |
422 |
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|
423 |
48 |
if (size >= 1 && (((String) elements.get(0)).length() == 2 || ((String) elements.get(0)).length() == 0)) |
424 |
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{ |
425 |
46 |
String language = (String) elements.get(0); |
426 |
44 |
String country = (String) ((size >= 2) ? elements.get(1) : ""); |
427 |
44 |
String variant = (String) ((size >= 3) ? elements.get(2) : ""); |
428 |
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429 |
44 |
return new Locale(language, country, variant); |
430 |
2 |
} |
431 |
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else |
432 |
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{ |
433 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a Locale"); |
434 |
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} |
435 |
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} |
436 |
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else |
437 |
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{ |
438 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a Locale"); |
439 |
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} |
440 |
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} |
441 |
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448 |
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|
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|
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|
451 |
7101 |
|
452 |
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public static List split(String s, char delimiter) |
453 |
7101 |
{ |
454 |
21321 |
if (s == null) |
455 |
7101 |
{ |
456 |
23855 |
return new ArrayList(); |
457 |
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} |
458 |
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|
459 |
23837 |
List list = new ArrayList(); |
460 |
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|
461 |
14202 |
StringBuffer token = new StringBuffer(); |
462 |
23837 |
int begin = 0; |
463 |
14202 |
int end = 0; |
464 |
47674 |
while (begin <= s.length()) |
465 |
9635 |
{ |
466 |
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|
467 |
28905 |
int index = s.indexOf(delimiter, end); |
468 |
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|
469 |
637 |
|
470 |
19907 |
end = (index != -1) ? index : s.length(); |
471 |
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|
472 |
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|
473 |
19270 |
String chunk = s.substring(begin , end); |
474 |
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|
475 |
28268 |
if (chunk.endsWith(LIST_ESCAPE) && end != s.length()) |
476 |
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{ |
477 |
1274 |
token.append(chunk.substring(0, chunk.length() - 1)); |
478 |
10272 |
token.append(delimiter); |
479 |
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} |
480 |
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else |
481 |
8998 |
{ |
482 |
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|
483 |
17996 |
token.append(chunk); |
484 |
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|
485 |
9635 |
|
486 |
27631 |
list.add(token.toString().trim()); |
487 |
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|
488 |
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|
489 |
25097 |
token = new StringBuffer(); |
490 |
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} |
491 |
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|
492 |
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|
493 |
19270 |
end = end + 1; |
494 |
19270 |
begin = end; |
495 |
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} |
496 |
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|
497 |
14202 |
return list; |
498 |
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} |
499 |
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|
500 |
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|
501 |
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|
502 |
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|
503 |
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|
504 |
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|
505 |
102 |
|
506 |
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|
507 |
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|
508 |
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|
509 |
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|
510 |
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|
511 |
|
public static String escapeDelimiters(String s, char delimiter) |
512 |
|
{ |
513 |
204 |
return StringUtils.replace(s, String.valueOf(delimiter), LIST_ESCAPE |
514 |
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+ delimiter); |
515 |
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} |
516 |
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|
517 |
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518 |
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|
519 |
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|
520 |
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|
521 |
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|
522 |
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523 |
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|
524 |
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|
525 |
36 |
|
526 |
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|
527 |
14 |
|
528 |
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|
529 |
22 |
|
530 |
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|
531 |
|
public static Color toColor(Object value) throws ConversionException |
532 |
|
{ |
533 |
92 |
if (value instanceof Color) |
534 |
|
{ |
535 |
28 |
return (Color) value; |
536 |
20 |
} |
537 |
44 |
else if (value instanceof String && !StringUtils.isBlank((String) value)) |
538 |
2 |
{ |
539 |
40 |
String color = ((String) value).trim(); |
540 |
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|
541 |
60 |
int[] components = new class="keyword">int[3]; |
542 |
18 |
|
543 |
18 |
|
544 |
58 |
int minlength = components.length * 2; |
545 |
40 |
if (color.length() < minlength) |
546 |
|
{ |
547 |
18 |
throw new ConversionException("The value " + value + " can't be converted to a Color"); |
548 |
|
} |
549 |
1 |
|
550 |
|
|
551 |
40 |
if (color.startsWith("#")) |
552 |
18 |
{ |
553 |
4 |
color = color.substring(1); |
554 |
|
} |
555 |
|
|
556 |
2 |
try |
557 |
|
{ |
558 |
|
|
559 |
148 |
for (int i = 0; i < components.length; i++) |
560 |
|
{ |
561 |
114 |
components[i] = Integer.parseInt(color.substring(2 * i, 2 * i + 2), HEX_RADIX); |
562 |
|
} |
563 |
|
|
564 |
|
|
565 |
|
int alpha; |
566 |
36 |
if (color.length() >= minlength + 2) |
567 |
|
{ |
568 |
2 |
alpha = Integer.parseInt(color.substring(minlength, minlength + 2), HEX_RADIX); |
569 |
|
} |
570 |
|
else |
571 |
|
{ |
572 |
34 |
alpha = Color.black.getAlpha(); |
573 |
|
} |
574 |
|
|
575 |
76 |
return new Color(components[0], components[1], components[2], alpha); |
576 |
|
} |
577 |
15 |
catch (Exception e) |
578 |
|
{ |
579 |
29 |
throw new ConversionException("The value " + value + " can't be converted to a Color", e); |
580 |
|
} |
581 |
5 |
} |
582 |
|
else |
583 |
20 |
{ |
584 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a Color"); |
585 |
|
} |
586 |
|
} |
587 |
18 |
|
588 |
|
|
589 |
|
|
590 |
|
|
591 |
2 |
|
592 |
|
|
593 |
|
|
594 |
|
|
595 |
|
|
596 |
2 |
public static Date toDate(Object value, String format) throws ConversionException |
597 |
|
{ |
598 |
80 |
if (value instanceof Date) |
599 |
|
{ |
600 |
30 |
return (Date) value; |
601 |
|
} |
602 |
50 |
else if (value instanceof Calendar) |
603 |
|
{ |
604 |
10 |
return ((Calendar) value).getTime(); |
605 |
|
} |
606 |
40 |
else if (value instanceof String) |
607 |
|
{ |
608 |
|
try |
609 |
|
{ |
610 |
76 |
return new SimpleDateFormat(format).parse((String) value); |
611 |
|
} |
612 |
10 |
catch (ParseException e) |
613 |
|
{ |
614 |
34 |
throw new ConversionException("The value " + value + " can't be converted to a Date", e); |
615 |
|
} |
616 |
10 |
} |
617 |
10 |
else |
618 |
10 |
{ |
619 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a Date"); |
620 |
20 |
} |
621 |
|
} |
622 |
|
|
623 |
|
|
624 |
18 |
|
625 |
18 |
|
626 |
16 |
|
627 |
|
|
628 |
|
|
629 |
|
|
630 |
2 |
|
631 |
|
public static Calendar toCalendar(Object value, String format) throws ConversionException |
632 |
|
{ |
633 |
80 |
if (value instanceof Calendar) |
634 |
|
{ |
635 |
22 |
return (Calendar) value; |
636 |
|
} |
637 |
60 |
else if (value instanceof Date) |
638 |
|
{ |
639 |
20 |
Calendar calendar = Calendar.getInstance(); |
640 |
20 |
calendar.setTime((Date) value); |
641 |
20 |
return calendar; |
642 |
|
} |
643 |
40 |
else if (value instanceof String) |
644 |
|
{ |
645 |
|
try |
646 |
|
{ |
647 |
36 |
Calendar calendar = Calendar.getInstance(); |
648 |
36 |
calendar.setTime(new SimpleDateFormat(format).parse((String) value)); |
649 |
32 |
return calendar; |
650 |
|
} |
651 |
|
catch (ParseException e) |
652 |
|
{ |
653 |
4 |
throw new ConversionException("The value " + value + " can't be converted to a Calendar", e); |
654 |
|
} |
655 |
|
} |
656 |
29122 |
else |
657 |
|
{ |
658 |
7 |
throw new ConversionException("The value " + value + " can't be converted to a Calendar"); |
659 |
|
} |
660 |
29119 |
} |
661 |
|
|
662 |
16459 |
|
663 |
16459 |
|
664 |
|
|
665 |
1413 |
|
666 |
|
|
667 |
|
|
668 |
|
|
669 |
15046 |
|
670 |
|
|
671 |
|
|
672 |
12660 |
|
673 |
|
|
674 |
521 |
|
675 |
|
|
676 |
12139 |
|
677 |
|
public static Iterator toIterator(Object value, char delimiter) |
678 |
787 |
{ |
679 |
58244 |
if (value == null) |
680 |
11352 |
{ |
681 |
6 |
return IteratorUtils.emptyIterator(); |
682 |
1308 |
} |
683 |
59546 |
if (value instanceof String) |
684 |
5372 |
{ |
685 |
32918 |
String s = (String) value; |
686 |
35674 |
if (s.indexOf(delimiter) > 0) |
687 |
|
{ |
688 |
4134 |
return split((String) value, delimiter).iterator(); |
689 |
|
} |
690 |
|
else |
691 |
|
{ |
692 |
40136 |
return new SingletonIterator(value); |
693 |
|
} |
694 |
|
} |
695 |
25320 |
else if (value instanceof Collection) |
696 |
|
{ |
697 |
1042 |
return toIterator(((Collection) value).iterator(), delimiter); |
698 |
|
} |
699 |
24278 |
else if (value.getClass().isArray()) |
700 |
|
{ |
701 |
1574 |
return toIterator(IteratorUtils.arrayIterator(value), delimiter); |
702 |
|
} |
703 |
22704 |
else if (value instanceof Iterator) |
704 |
|
{ |
705 |
2616 |
Iterator iterator = (Iterator) value; |
706 |
2616 |
IteratorChain chain = new IteratorChain(); |
707 |
10744 |
while (iterator.hasNext()) |
708 |
|
{ |
709 |
5512 |
chain.addIterator(toIterator(iterator.next(), delimiter)); |
710 |
|
} |
711 |
2616 |
return chain; |
712 |
|
} |
713 |
|
else |
714 |
|
{ |
715 |
20088 |
return new SingletonIterator(value); |
716 |
|
} |
717 |
|
} |
718 |
|
} |