2 files changed, 373 insertions, 0 deletions
diff --git a/src/utils/lombok/core/SpiLoadUtil.java b/src/utils/lombok/core/SpiLoadUtil.java
new file mode 100644
index 00000000..914cccf8
--- /dev/null
+++ b/src/utils/lombok/core/SpiLoadUtil.java
@@ -0,0 +1,191 @@
+/*
+ * Copyright © 2009-2011 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.core;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * The java core libraries have a SPI discovery system, but it works only in Java 1.6 and up. For at least Eclipse,
+ * lombok actually works in java 1.5, so we've rolled our own SPI discovery system.
+ * 
+ * It is not API compatible with {@code ServiceLoader}.
+ * 
+ * @see java.util.ServiceLoader
+ */
+public class SpiLoadUtil {
+	private SpiLoadUtil() {
+		//Prevent instantiation
+	}
+	
+	/**
+	 * Method that conveniently turn the {@code Iterable}s returned by the other methods in this class to a
+	 * {@code List}.
+	 * 
+	 * @see #findServices(Class)
+	 * @see #findServices(Class, ClassLoader)
+	 */
+	public static <T> List<T> readAllFromIterator(Iterable<T> findServices) {
+		List<T> list = new ArrayList<T>();
+		for (T t : findServices) list.add(t);
+		return list;
+	}
+	
+	/**
+	 * Returns an iterator of instances that, at least according to the spi discovery file, are implementations
+	 * of the stated class.
+	 * 
+	 * Like ServiceLoader, each listed class is turned into an instance by calling the public no-args constructor.
+	 * 
+	 * Convenience method that calls the more elaborate {@link #findServices(Class, ClassLoader)} method with
+	 * this {@link java.lang.Thread}'s context class loader as {@code ClassLoader}.
+	 * 
+	 * @param target class to find implementations for.
+	 */
+	public static <C> Iterable<C> findServices(Class<C> target) throws IOException {
+		return findServices(target, Thread.currentThread().getContextClassLoader());
+	}
+	
+	/**
+	 * Returns an iterator of class objects that, at least according to the spi discovery file, are implementations
+	 * of the stated class.
+	 * 
+	 * Like ServiceLoader, each listed class is turned into an instance by calling the public no-args constructor.
+	 * 
+	 * @param target class to find implementations for.
+	 * @param loader The classloader object to use to both the spi discovery files, as well as the loader to use
+	 * to make the returned instances.
+	 */
+	public static <C> Iterable<C> findServices(final Class<C> target, ClassLoader loader) throws IOException {
+		if (loader == null) loader = ClassLoader.getSystemClassLoader();
+		Enumeration<URL> resources = loader.getResources("META-INF/services/" + target.getName());
+		final Set<String> entries = new LinkedHashSet<String>();
+		while (resources.hasMoreElements()) {
+			URL url = resources.nextElement();
+			readServicesFromUrl(entries, url);
+		}
+		
+		final Iterator<String> names = entries.iterator();
+		final ClassLoader fLoader = loader;
+		return new Iterable<C> () {
+			@Override public Iterator<C> iterator() {
+				return new Iterator<C>() {
+					@Override public boolean hasNext() {
+						return names.hasNext();
+					}
+					
+					@Override public C next() {
+						try {
+							return target.cast(Class.forName(names.next(), true, fLoader).newInstance());
+						} catch (Exception e) {
+							if (e instanceof RuntimeException) throw (RuntimeException)e;
+							throw new RuntimeException(e);
+						}
+					}
+					
+					@Override public void remove() {
+						throw new UnsupportedOperationException();
+					}
+				};
+			}
+		};
+	}
+	
+	private static void readServicesFromUrl(Collection<String> list, URL url) throws IOException {
+		InputStream in = url.openStream();
+		try {
+			if (in == null) return;
+			BufferedReader r = new BufferedReader(new InputStreamReader(in, "UTF-8"));
+			while (true) {
+				String line = r.readLine();
+				if (line == null) break;
+				int idx = line.indexOf('#');
+				if (idx != -1) line = line.substring(0, idx);
+				line = line.trim();
+				if (line.length() == 0) continue;
+				list.add(line);
+			}
+		} finally {
+			try {
+				if (in != null) in.close();
+			} catch (Throwable ignore) {}
+		}
+	}
+	
+	/**
+	 * This method will find the @{code T} in {@code public class Foo extends BaseType<T>}.
+	 * 
+	 * It returns an annotation type because it is used exclusively to figure out which annotations are
+	 * being handled by {@link lombok.eclipse.EclipseAnnotationHandler} and {@link lombok.javac.JavacAnnotationHandler}.
+	 */
+	public static Class<? extends Annotation> findAnnotationClass(Class<?> c, Class<?> base) {
+		if (c == Object.class || c == null) return null;
+		Class<? extends Annotation> answer = null;
+		
+		answer = findAnnotationHelper(base, c.getGenericSuperclass());
+		if (answer != null) return answer;
+		
+		for (Type iface : c.getGenericInterfaces()) {
+			answer = findAnnotationHelper(base, iface);
+			if (answer != null) return answer;
+		}
+		
+		Class<? extends Annotation> potential = findAnnotationClass(c.getSuperclass(), base);
+		if (potential != null) return potential;
+		for (Class<?> iface : c.getInterfaces()) {
+			potential = findAnnotationClass(iface, base);
+			if (potential != null) return potential;
+		}
+		
+		return null;
+	}
+	
+	@SuppressWarnings("unchecked")
+	private static Class<? extends Annotation> findAnnotationHelper(Class<?> base, Type iface) {
+		if (iface instanceof ParameterizedType) {
+			ParameterizedType p = (ParameterizedType)iface;
+			if (!base.equals(p.getRawType())) return null;
+			Type target = p.getActualTypeArguments()[0];
+			if (target instanceof Class<?>) {
+				if (Annotation.class.isAssignableFrom((Class<?>) target)) {
+					return (Class<? extends Annotation>) target;
+				}
+			}
+			
+			throw new ClassCastException("Not an annotation type: " + target);
+		}
+		return null;
+	}
+}
diff --git a/src/utils/lombok/core/TransformationsUtil.java b/src/utils/lombok/core/TransformationsUtil.java
new file mode 100644
index 00000000..3fbfef58
--- /dev/null
+++ b/src/utils/lombok/core/TransformationsUtil.java
@@ -0,0 +1,182 @@
+/*
+ * Copyright © 2009 Reinier Zwitserloot and Roel Spilker.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package lombok.core;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.regex.Pattern;
+
+/**
+ * Container for static utility methods useful for some of the standard lombok transformations, regardless of
+ * target platform (e.g. useful for both javac and Eclipse lombok implementations).
+ */
+public class TransformationsUtil {
+	private TransformationsUtil() {
+		//Prevent instantiation
+	}
+	
+	/**
+	 * Generates a getter name from a given field name.
+	 * 
+	 * Strategy:
+	 * 
+	 * First, pick a prefix. 'get' normally, but 'is' if {@code isBoolean} is true.
+	 * 
+	 * Then, check if the first character of the field is lowercase. If so, check if the second character
+	 * exists and is title or upper case. If so, uppercase the first character. If not, titlecase the first character.
+	 * 
+	 * return the prefix plus the possibly title/uppercased first character, and the rest of the field name.
+	 * 
+	 * Note that for boolean fields, if the field starts with 'is', and the character after that is
+	 * <b>not</b> a lowercase character, the field name is returned without changing any character's case and without
+	 * any prefix.
+	 * 
+	 * @param fieldName the name of the field.
+	 * @param isBoolean if the field is of type 'boolean'. For fields of type 'java.lang.Boolean', you should provide {@code false}.
+	 */
+	public static String toGetterName(CharSequence fieldName, boolean isBoolean) {
+		final String prefix = isBoolean ? "is" : "get";
+		
+		if (fieldName.length() == 0) return prefix;
+		
+		if (isBoolean && fieldName.toString().startsWith("is") && fieldName.length() > 2 && !Character.isLowerCase(fieldName.charAt(2))) {
+			// The field is for example named 'isRunning'.
+			return fieldName.toString();
+		}
+		
+		return buildName(prefix, fieldName.toString());
+	}
+	
+	public static final Pattern PRIMITIVE_TYPE_NAME_PATTERN = Pattern.compile(
+			"^(boolean|byte|short|int|long|float|double|char)$");
+	
+	public static final Pattern NON_NULL_PATTERN = Pattern.compile("^(?:notnull|nonnull)$", Pattern.CASE_INSENSITIVE);
+	public static final Pattern NULLABLE_PATTERN = Pattern.compile("^(?:nullable|checkfornull)$", Pattern.CASE_INSENSITIVE);
+	
+	/**
+	 * Generates a setter name from a given field name.
+	 * 
+	 * Strategy:
+	 * 
+	 * Check if the first character of the field is lowercase. If so, check if the second character
+	 * exists and is title or upper case. If so, uppercase the first character. If not, titlecase the first character.
+	 * 
+	 * return "set" plus the possibly title/uppercased first character, and the rest of the field name.
+	 * 
+	 * Note that if the field is boolean and starts with 'is' followed by a non-lowercase letter, the 'is' is stripped and replaced with 'set'.
+	 * 
+	 * @param fieldName the name of the field.
+	 * @param isBoolean if the field is of type 'boolean'. For fields of type 'java.lang.Boolean', you should provide {@code false}.
+	 */
+	public static String toSetterName(CharSequence fieldName, boolean isBoolean) {
+		if (fieldName.length() == 0) return "set";
+		
+		if (isBoolean && fieldName.toString().startsWith("is") && fieldName.length() > 2 && !Character.isLowerCase(fieldName.charAt(2))) {
+			// The field is for example named 'isRunning'.
+			return "set" + fieldName.toString().substring(2);
+		}
+		
+		return buildName("set", fieldName.toString());
+	}
+	
+	private static String buildName(String prefix, String suffix) {
+		if (suffix.length() == 0) return prefix;
+		
+		char first = suffix.charAt(0);
+		if (Character.isLowerCase(first)) {
+			boolean useUpperCase = suffix.length() > 2 &&
+				(Character.isTitleCase(suffix.charAt(1)) || Character.isUpperCase(suffix.charAt(1)));
+			suffix = String.format("%s%s",
+					useUpperCase ? Character.toUpperCase(first) : Character.toTitleCase(first),
+					suffix.subSequence(1, suffix.length()));
+		}
+		return String.format("%s%s", prefix, suffix);
+	}
+	
+	/**
+	 * Returns all names of methods that would represent the getter for a field with the provided name.
+	 * 
+	 * For example if {@code isBoolean} is true, then a field named {@code isRunning} would produce:<br />
+	 * {@code [isRunning, getRunning, isIsRunning, getIsRunning]}
+	 * 
+	 * @param fieldName the name of the field.
+	 * @param isBoolean if the field is of type 'boolean'. For fields of type 'java.lang.Boolean', you should provide {@code false}.
+	 */
+	public static List<String> toAllGetterNames(CharSequence fieldName, boolean isBoolean) {
+		if (!isBoolean) return Collections.singletonList(toGetterName(fieldName, false));
+		
+		List<String> baseNames = new ArrayList<String>();
+		baseNames.add(fieldName.toString());
+		
+		// isPrefix = field is called something like 'isRunning', so 'running' could also be the fieldname.
+		if (fieldName.toString().startsWith("is") && fieldName.length() > 2 && !Character.isLowerCase(fieldName.charAt(2))) {
+			baseNames.add(fieldName.toString().substring(2));
+		}
+		
+		Set<String> names = new HashSet<String>();
+		for (String baseName : baseNames) {
+			if (baseName.length() > 0 && Character.isLowerCase(baseName.charAt(0))) {
+				baseName = Character.toTitleCase(baseName.charAt(0)) + baseName.substring(1);
+			}
+			
+			names.add("is" + baseName);
+			names.add("get" + baseName);
+		}
+		
+		return new ArrayList<String>(names);
+	}
+	
+	/**
+	 * Returns all names of methods that would represent the setter for a field with the provided name.
+	 * 
+	 * For example if {@code isBoolean} is true, then a field named {@code isRunning} would produce:<br />
+	 * {@code [setRunning, setIsRunning]}
+	 * 
+	 * @param fieldName the name of the field.
+	 * @param isBoolean if the field is of type 'boolean'. For fields of type 'java.lang.Boolean', you should provide {@code false}.
+	 */
+	public static List<String> toAllSetterNames(CharSequence fieldName, boolean isBoolean) {
+		if (!isBoolean) return Collections.singletonList(toSetterName(fieldName, false));
+		
+		List<String> baseNames = new ArrayList<String>();
+		baseNames.add(fieldName.toString());
+		
+		// isPrefix = field is called something like 'isRunning', so 'running' could also be the fieldname.
+		if (fieldName.toString().startsWith("is") && fieldName.length() > 2 && !Character.isLowerCase(fieldName.charAt(2))) {
+			baseNames.add(fieldName.toString().substring(2));
+		}
+		
+		Set<String> names = new HashSet<String>();
+		for (String baseName : baseNames) {
+			if (baseName.length() > 0 && Character.isLowerCase(baseName.charAt(0))) {
+				baseName = Character.toTitleCase(baseName.charAt(0)) + baseName.substring(1);
+			}
+			
+			names.add("set" + baseName);
+		}
+		
+		return new ArrayList<String>(names);
+	}
+}