prefs

src/main/java/org/solovyev/common/AbstractIntervalMapper.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+ * For more information, please, contact se.solovyev@gmail.com
+ * or visit http://se.solovyev.org
+ */
+
+package org.solovyev.common;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.solovyev.common.utils.*;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * User: serso
+ * Date: 9/21/11
+ * Time: 12:02 AM
+ */
+public abstract class AbstractIntervalMapper<T> implements Mapper<Interval<T>> {
+
+	@Override
+	public String formatValue(@Nullable Interval<T> interval) throws IllegalArgumentException {
+		if (interval != null) {
+			return CollectionsUtils.formatValue(Arrays.asList(interval.getLeftBorder(), interval.getRightBorder()), ";", getFormatter());
+		} else {
+			return null;
+		}
+	}
+
+	@NotNull
+	protected abstract Formatter<T> getFormatter();
+
+	@Override
+	public Interval<T> parseValue(@Nullable String s) throws IllegalArgumentException {
+		final List<T> list = CollectionsUtils.split(s, ";", getParser());
+
+		assert list.size() == 2;
+		return new IntervalImpl<T>(list.get(0), list.get(1));
+	}
+
+	@NotNull
+	protected abstract Parser<T> getParser();
+}

src/main/java/org/solovyev/common/FloatIntervalMapper.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+ * For more information, please, contact se.solovyev@gmail.com
+ * or visit http://se.solovyev.org
+ */
+
+package org.solovyev.common;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.solovyev.common.math.ValueOfFormatter;
+import org.solovyev.common.utils.Formatter;
+import org.solovyev.common.utils.Parser;
+
+/**
+ * User: serso
+ * Date: 9/21/11
+ * Time: 12:06 AM
+ */
+public class FloatIntervalMapper extends AbstractIntervalMapper<Float> {
+	@NotNull
+	@Override
+	protected Formatter<Float> getFormatter() {
+		return new ValueOfFormatter<Float>();
+	}
+
+	@NotNull
+	@Override
+	protected Parser<Float> getParser() {
+		return new Parser<Float>() {
+			@Override
+			public Float parseValue(@Nullable String s) throws IllegalArgumentException {
+				return Float.valueOf(s);
+			}
+		};
+	}
+}

src/main/java/org/solovyev/common/IntegerIntervalMapper.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+ * For more information, please, contact se.solovyev@gmail.com
+ * or visit http://se.solovyev.org
+ */
+
+package org.solovyev.common;
+
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.solovyev.common.math.ValueOfFormatter;
+import org.solovyev.common.utils.*;
+
+/**
+* User: serso
+* Date: 9/20/11
+* Time: 11:56 PM
+*/
+public class IntegerIntervalMapper extends AbstractIntervalMapper<Integer> {
+
+	@NotNull
+	protected Formatter<Integer> getFormatter() {
+		return new ValueOfFormatter<Integer>();
+	}
+
+	@NotNull
+	protected Parser<Integer> getParser() {
+		return new Parser<Integer>() {
+			@Override
+			public Integer parseValue(@Nullable String s) throws IllegalArgumentException {
+				return Integer.valueOf(s);
+			}
+		};
+	}
+}

src/main/java/org/solovyev/common/math/ValueOfFormatter.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2009-2011. Created by serso aka se.solovyev.
+ * For more information, please, contact se.solovyev@gmail.com
+ * or visit http://se.solovyev.org
+ */
+
+package org.solovyev.common.math;
+
+import org.jetbrains.annotations.Nullable;
+import org.solovyev.common.utils.Formatter;
+
+/**
+ * User: serso
+ * Date: 9/20/11
+ * Time: 10:52 PM
+ */
+public class ValueOfFormatter<T> implements Formatter<T>{
+
+	@Override
+	public String formatValue(@Nullable T t) throws IllegalArgumentException {
+		return String.valueOf(t);
+	}
+}