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package org.jbehave.core.steps; |
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import java.lang.reflect.Method; |
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import java.lang.reflect.ParameterizedType; |
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import java.lang.reflect.Type; |
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import java.math.BigDecimal; |
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import java.math.BigInteger; |
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import java.text.DateFormat; |
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import java.text.NumberFormat; |
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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.Date; |
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import java.util.List; |
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import java.util.Locale; |
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import org.apache.commons.lang.BooleanUtils; |
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import org.jbehave.core.model.ExamplesTable; |
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import org.jbehave.core.model.ExamplesTableFactory; |
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import static java.util.Arrays.asList; |
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public class ParameterConverters { |
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| 41 | 1 | static final Locale DEFAULT_NUMBER_FORMAT_LOCAL = Locale.ENGLISH; |
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static final String DEFAULT_COMMA = ","; |
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static final String DEFAULT_TRUE_VALUE = "true"; |
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static final String DEFAULT_FALSE_VALUE = "false"; |
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private static final String NEWLINES_PATTERN = "(\n)|(\r\n)"; |
| 47 | 1 | private static final String SYSTEM_NEWLINE = System.getProperty("line.separator"); |
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private final StepMonitor monitor; |
| 50 | 792 | private final List<ParameterConverter> converters = new ArrayList<ParameterConverter>(); |
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public ParameterConverters() { |
| 56 | 792 | this(new SilentStepMonitor()); |
| 57 | 792 | } |
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public ParameterConverters(StepMonitor monitor) { |
| 63 | 792 | this(monitor , DEFAULT_NUMBER_FORMAT_LOCAL, DEFAULT_COMMA); |
| 64 | 792 | } |
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| 74 | 792 | public ParameterConverters(StepMonitor monitor, Locale locale, String listSeparator) { |
| 75 | 792 | this.monitor = monitor; |
| 76 | 792 | this.addConverters(defaultConverters(locale, listSeparator)); |
| 77 | 792 | } |
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protected ParameterConverter[] defaultConverters(Locale locale, String listSeparator) { |
| 80 | 792 | String escapedListSeparator = escapeRegexPunctuation(listSeparator); |
| 81 | 792 | ParameterConverter[] defaultConverters = { |
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new BooleanConverter(), |
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new NumberConverter(NumberFormat.getInstance(locale)), |
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new NumberListConverter(NumberFormat.getInstance(locale), escapedListSeparator), |
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new StringListConverter(escapedListSeparator), |
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new DateConverter(), |
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new ExamplesTableConverter(new ExamplesTableFactory(this)) |
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}; |
| 89 | 792 | return defaultConverters; |
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} |
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private String escapeRegexPunctuation(String matchThis) { |
| 94 | 792 | return matchThis.replaceAll("([\\[\\]\\{\\}\\?\\^\\.\\*\\(\\)\\+\\\\])", "\\\\$1"); |
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} |
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public ParameterConverters addConverters(ParameterConverter... converters) { |
| 99 | 794 | return addConverters(asList(converters)); |
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} |
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public ParameterConverters addConverters(List<ParameterConverter> converters) { |
| 103 | 816 | this.converters.addAll(0, converters); |
| 104 | 816 | return this; |
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} |
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public Object convert(String value, Type type) { |
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| 110 | 69 | for (ParameterConverter converter : converters) { |
| 111 | 314 | if (converter.accept(type)) { |
| 112 | 27 | Object converted = converter.convertValue(value, type); |
| 113 | 27 | monitor.convertedValueOfType(value, type, converted, converter.getClass()); |
| 114 | 27 | return converted; |
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} |
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} |
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| 118 | 42 | if (type == String.class) { |
| 119 | 41 | return replaceNewlinesWithSystemNewlines(value); |
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} |
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| 122 | 1 | throw new ParameterConvertionFailed("No parameter converter for " + type); |
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} |
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private Object replaceNewlinesWithSystemNewlines(String value) { |
| 126 | 41 | return value.replaceAll(NEWLINES_PATTERN, SYSTEM_NEWLINE); |
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} |
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public static interface ParameterConverter { |
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boolean accept(Type type); |
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Object convertValue(String value, Type type); |
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} |
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@SuppressWarnings("serial") |
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public static class ParameterConvertionFailed extends RuntimeException { |
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public ParameterConvertionFailed(String message) { |
| 141 | 1 | super(message); |
| 142 | 1 | } |
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public ParameterConvertionFailed(String message, Throwable cause) { |
| 145 | 5 | super(message, cause); |
| 146 | 5 | } |
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} |
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public static class NumberConverter implements ParameterConverter { |
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| 174 | 1 | private static List<Class<?>> primitiveTypes = asList(new Class<?>[] { byte.class, short.class, int.class, |
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float.class, long.class, double.class }); |
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private final NumberFormat numberFormat; |
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public NumberConverter() { |
| 180 | 3 | this(NumberFormat.getInstance(DEFAULT_NUMBER_FORMAT_LOCAL)); |
| 181 | 3 | } |
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| 183 | 1593 | public NumberConverter(NumberFormat numberFormat) { |
| 184 | 1593 | this.numberFormat = numberFormat; |
| 185 | 1593 | } |
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public boolean accept(Type type) { |
| 188 | 109 | if (type instanceof Class<?>) { |
| 189 | 104 | return Number.class.isAssignableFrom((Class<?>) type) || primitiveTypes.contains(type); |
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} |
| 191 | 5 | return false; |
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} |
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public Object convertValue(String value, Type type) { |
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try { |
| 196 | 122 | Number n = numberFormat.parse(value); |
| 197 | 120 | if (type == Byte.class || type == byte.class) { |
| 198 | 6 | return n.byteValue(); |
| 199 | 114 | } else if (type == Short.class || type == short.class) { |
| 200 | 6 | return n.shortValue(); |
| 201 | 108 | } else if (type == Integer.class || type == int.class) { |
| 202 | 23 | return n.intValue(); |
| 203 | 85 | } else if (type == Float.class || type == float.class) { |
| 204 | 21 | return n.floatValue(); |
| 205 | 64 | } else if (type == Long.class || type == long.class) { |
| 206 | 15 | return n.longValue(); |
| 207 | 49 | } else if (type == Double.class || type == double.class) { |
| 208 | 22 | return n.doubleValue(); |
| 209 | 27 | } else if (type == BigInteger.class) { |
| 210 | 3 | return BigInteger.valueOf(n.longValue()); |
| 211 | 24 | } else if (type == BigDecimal.class) { |
| 212 | 12 | return new BigDecimal(canonicalize(value)); |
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} else { |
| 214 | 12 | return n; |
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} |
| 216 | 2 | } catch (ParseException e) { |
| 217 | 2 | throw new ParameterConvertionFailed(value, e); |
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} |
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} |
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private String canonicalize(String value) { |
| 222 | 12 | char decimalPointSeparator = numberFormat.format(1.01).charAt(1); |
| 223 | 12 | int decimalPointPosition = value.lastIndexOf(decimalPointSeparator); |
| 224 | 12 | value = value.trim(); |
| 225 | 12 | if (decimalPointPosition != -1) { |
| 226 | 9 | String sf = value.substring(0, decimalPointPosition).replace("[^0-9]", ""); |
| 227 | 9 | String dp = value.substring(decimalPointPosition+1); |
| 228 | 9 | return sf + "." + dp; |
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} |
| 230 | 3 | return value.replace(' ', ','); |
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} |
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} |
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public static class NumberListConverter implements ParameterConverter { |
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private final NumberConverter numberConverter; |
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private final String valueSeparator; |
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public NumberListConverter() { |
| 247 | 2 | this(NumberFormat.getInstance(DEFAULT_NUMBER_FORMAT_LOCAL), DEFAULT_COMMA); |
| 248 | 2 | } |
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| 254 | 796 | public NumberListConverter(NumberFormat numberFormat, String valueSeparator) { |
| 255 | 796 | this.numberConverter = new NumberConverter(numberFormat); |
| 256 | 796 | this.valueSeparator = valueSeparator; |
| 257 | 796 | } |
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public boolean accept(Type type) { |
| 260 | 49 | if (type instanceof ParameterizedType) { |
| 261 | 7 | Type rawType = rawType(type); |
| 262 | 7 | Type argumentType = argumentType(type); |
| 263 | 7 | return List.class.isAssignableFrom((Class<?>) rawType) |
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&& Number.class.isAssignableFrom((Class<?>) argumentType); |
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} |
| 266 | 42 | return false; |
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} |
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private Type rawType(Type type) { |
| 270 | 7 | return ((ParameterizedType) type).getRawType(); |
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} |
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private Type argumentType(Type type) { |
| 274 | 18 | return ((ParameterizedType) type).getActualTypeArguments()[0]; |
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} |
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@SuppressWarnings("unchecked") |
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public Object convertValue(String value, Type type) { |
| 279 | 11 | Class<? extends Number> argumentType = (Class<? extends Number>) argumentType(type); |
| 280 | 11 | List<String> values = trim(asList(value.split(valueSeparator))); |
| 281 | 11 | List<Number> numbers = new ArrayList<Number>(); |
| 282 | 11 | for (String numberValue : values) { |
| 283 | 40 | numbers.add((Number) numberConverter.convertValue(numberValue, argumentType)); |
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} |
| 285 | 10 | return numbers; |
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} |
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} |
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public static class StringListConverter implements ParameterConverter { |
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private String valueSeparator; |
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public StringListConverter() { |
| 300 | 1 | this(DEFAULT_COMMA); |
| 301 | 1 | } |
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| 307 | 793 | public StringListConverter(String valueSeparator) { |
| 308 | 793 | this.valueSeparator = valueSeparator; |
| 309 | 793 | } |
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public boolean accept(Type type) { |
| 312 | 46 | if (type instanceof ParameterizedType) { |
| 313 | 4 | ParameterizedType parameterizedType = (ParameterizedType) type; |
| 314 | 4 | Type rawType = parameterizedType.getRawType(); |
| 315 | 4 | Type argumentType = parameterizedType.getActualTypeArguments()[0]; |
| 316 | 4 | return List.class.isAssignableFrom((Class<?>) rawType) |
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&& String.class.isAssignableFrom((Class<?>) argumentType); |
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} |
| 319 | 42 | return false; |
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} |
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public Object convertValue(String value, Type type) { |
| 323 | 3 | if (value.trim().length() == 0) |
| 324 | 1 | return asList(); |
| 325 | 2 | return trim(asList(value.split(valueSeparator))); |
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} |
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} |
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public static List<String> trim(List<String> values) { |
| 331 | 15 | List<String> trimmed = new ArrayList<String>(); |
| 332 | 15 | for (String value : values) { |
| 333 | 51 | trimmed.add(value.trim()); |
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} |
| 335 | 15 | return trimmed; |
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} |
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public static class DateConverter implements ParameterConverter { |
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| 344 | 1 | public static final DateFormat DEFAULT_FORMAT = new SimpleDateFormat("dd/MM/yyyy"); |
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private final DateFormat dateFormat; |
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public DateConverter() { |
| 349 | 794 | this(DEFAULT_FORMAT); |
| 350 | 794 | } |
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| 352 | 795 | public DateConverter(DateFormat dateFormat) { |
| 353 | 795 | this.dateFormat = dateFormat; |
| 354 | 795 | } |
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public boolean accept(Type type) { |
| 357 | 48 | if (type instanceof Class<?>) { |
| 358 | 46 | return Date.class.isAssignableFrom((Class<?>) type); |
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} |
| 360 | 2 | return false; |
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} |
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public Object convertValue(String value, Type type) { |
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try { |
| 365 | 3 | return dateFormat.parse(value); |
| 366 | 1 | } catch (ParseException e) { |
| 367 | 1 | throw new ParameterConvertionFailed("Failed to convert value " + value + " with date format " |
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+ (dateFormat instanceof SimpleDateFormat ? ((SimpleDateFormat) dateFormat).toPattern() : dateFormat), e); |
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} |
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} |
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} |
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public static class BooleanConverter implements ParameterConverter { |
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private String trueValue; |
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private String falseValue; |
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public BooleanConverter() { |
| 379 | 793 | this(DEFAULT_TRUE_VALUE, DEFAULT_FALSE_VALUE); |
| 380 | 793 | } |
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| 382 | 794 | public BooleanConverter(String trueValue, String falseValue) { |
| 383 | 794 | this.trueValue = trueValue; |
| 384 | 794 | this.falseValue = falseValue; |
| 385 | 794 | } |
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public boolean accept(Type type) { |
| 388 | 69 | if (type instanceof Class<?>) { |
| 389 | 63 | return Boolean.class.isAssignableFrom((Class<?>) type); |
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} |
| 391 | 6 | return false; |
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} |
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public Object convertValue(String value, Type type) { |
| 395 | 9 | return BooleanUtils.toBoolean(value, trueValue, falseValue); |
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} |
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} |
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public static class BooleanListConverter implements ParameterConverter { |
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private final BooleanConverter booleanConverter; |
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private String valueSeparator; |
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public BooleanListConverter() { |
| 404 | 1 | this(DEFAULT_COMMA, DEFAULT_TRUE_VALUE, DEFAULT_FALSE_VALUE); |
| 405 | 1 | } |
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public BooleanListConverter(String valueSeparator) { |
| 408 | 0 | this(valueSeparator, DEFAULT_TRUE_VALUE, DEFAULT_FALSE_VALUE); |
| 409 | 0 | } |
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| 411 | 1 | public BooleanListConverter(String valueSeparator, String trueValue, String falseValue) { |
| 412 | 1 | this.valueSeparator = valueSeparator; |
| 413 | 1 | booleanConverter = new BooleanConverter(trueValue, falseValue); |
| 414 | 1 | } |
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public boolean accept(Type type) { |
| 417 | 1 | if (type instanceof ParameterizedType) { |
| 418 | 1 | Type rawType = rawType(type); |
| 419 | 1 | Type argumentType = argumentType(type); |
| 420 | 1 | return List.class.isAssignableFrom((Class<?>) rawType) |
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&& Boolean.class.isAssignableFrom((Class<?>) argumentType); |
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} |
| 423 | 0 | return false; |
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} |
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public Object convertValue(String value, Type type) { |
| 427 | 1 | List<String> values = trim(asList(value.split(valueSeparator))); |
| 428 | 1 | List<Boolean> booleans = new ArrayList<Boolean>(); |
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| 430 | 1 | for (String booleanValue : values) { |
| 431 | 3 | booleans.add((Boolean) booleanConverter.convertValue(booleanValue, type)); |
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} |
| 433 | 1 | return booleans; |
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} |
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private Type rawType(Type type) { |
| 437 | 1 | return ((ParameterizedType) type).getRawType(); |
| 438 | |
} |
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private Type argumentType(Type type) { |
| 441 | 1 | return ((ParameterizedType) type).getActualTypeArguments()[0]; |
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} |
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} |
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| 448 | 3 | public static class EnumConverter implements ParameterConverter { |
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public boolean accept(Type type) { |
| 451 | 4 | if (type instanceof Class<?>) { |
| 452 | 3 | return ((Class<?>) type).isEnum(); |
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} |
| 454 | 1 | return false; |
| 455 | |
} |
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public Object convertValue(String value, Type type) { |
| 458 | 5 | String typeClass = ((Class<?>) type).getName(); |
| 459 | 5 | Class<?> enumClass = (Class<?>) type; |
| 460 | 5 | Method valueOfMethod = null; |
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try { |
| 462 | 5 | valueOfMethod = enumClass.getMethod("valueOf", new Class[] { String.class }); |
| 463 | 5 | return valueOfMethod.invoke(enumClass, new Object[] { value }); |
| 464 | 1 | } catch (Exception e) { |
| 465 | 1 | throw new ParameterConvertionFailed("Failed to convert " + value + " for Enum " + typeClass, e); |
| 466 | |
} |
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} |
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} |
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public static class EnumListConverter implements ParameterConverter { |
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private final EnumConverter enumConverter; |
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private String valueSeparator; |
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public EnumListConverter() { |
| 480 | 1 | this(DEFAULT_COMMA); |
| 481 | 1 | } |
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| 483 | 1 | public EnumListConverter(String valueSeparator) { |
| 484 | 1 | this.enumConverter = new EnumConverter(); |
| 485 | 1 | this.valueSeparator = valueSeparator; |
| 486 | 1 | } |
| 487 | |
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public boolean accept(Type type) { |
| 489 | 1 | if (type instanceof ParameterizedType) { |
| 490 | 1 | Type rawType = rawType(type); |
| 491 | 1 | Type argumentType = argumentType(type); |
| 492 | 1 | return List.class.isAssignableFrom((Class<?>) rawType) |
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&& enumConverter.accept(argumentType); |
| 494 | |
} |
| 495 | 0 | return false; |
| 496 | |
} |
| 497 | |
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public Object convertValue(String value, Type type) { |
| 499 | 1 | Type argumentType = argumentType(type); |
| 500 | 1 | List<String> values = trim(asList(value.split(valueSeparator))); |
| 501 | 1 | List<Enum<?>> enums = new ArrayList<Enum<?>>(); |
| 502 | 1 | for (String string : values) { |
| 503 | 3 | enums.add((Enum<?>) enumConverter.convertValue(string, argumentType)); |
| 504 | |
} |
| 505 | 1 | return enums; |
| 506 | |
} |
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private Type rawType(Type type) { |
| 509 | 1 | return ((ParameterizedType) type).getRawType(); |
| 510 | |
} |
| 511 | |
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private Type argumentType(Type type) { |
| 513 | 2 | return ((ParameterizedType) type).getActualTypeArguments()[0]; |
| 514 | |
} |
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} |
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public static class ExamplesTableConverter implements ParameterConverter { |
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private final ExamplesTableFactory factory; |
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public ExamplesTableConverter(){ |
| 525 | 1 | this(new ExamplesTableFactory()); |
| 526 | 1 | } |
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| 528 | 793 | public ExamplesTableConverter(ExamplesTableFactory factory){ |
| 529 | 793 | this.factory = factory; |
| 530 | 793 | } |
| 531 | |
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public boolean accept(Type type) { |
| 533 | 45 | if (type instanceof Class<?>) { |
| 534 | 44 | return ExamplesTable.class.isAssignableFrom((Class<?>) type); |
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} |
| 536 | 1 | return false; |
| 537 | |
} |
| 538 | |
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public Object convertValue(String value, Type type) { |
| 540 | 1 | return factory.createExamplesTable(value); |
| 541 | |
} |
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} |
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public static class MethodReturningConverter implements ParameterConverter { |
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private Object instance; |
| 550 | |
private Method method; |
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| 552 | 5 | public MethodReturningConverter(Method method, Object instance) { |
| 553 | 5 | this.method = method; |
| 554 | 5 | this.instance = instance; |
| 555 | 5 | } |
| 556 | |
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public boolean accept(Type type) { |
| 558 | 16 | if (type instanceof Class<?>) { |
| 559 | 15 | return method.getReturnType().isAssignableFrom((Class<?>) type); |
| 560 | |
} |
| 561 | 1 | return false; |
| 562 | |
} |
| 563 | |
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public Object convertValue(String value, Type type) { |
| 565 | |
try { |
| 566 | 5 | return method.invoke(instance, value); |
| 567 | 1 | } catch (Exception e) { |
| 568 | 1 | throw new ParameterConvertionFailed("Failed to invoke method " + method + " with value " + value |
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+ " in " + instance, e); |
| 570 | |
} |
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} |
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|
| 573 | |
} |
| 574 | |
} |