Implemented new packets and several services

Signed-off-by: Rogiel <rogiel@rogiel.com>

src/main/java/com/l2jserver/util/BufferUtils.java

@@ -52,7 +52,7 @@ public class BufferUtils {
 	 *            the string
 	 */
 	public static final void writeString(ChannelBuffer buffer, String str) {
-		if (str != null) {
+		if (str != null && str.length() > 0) {
 			final int len = str.length();
 			for (int i = 0; i < len; i++) {
 				buffer.writeChar(str.charAt(i));

src/main/java/com/l2jserver/util/calculator/Calculator.java

@@ -0,0 +1,65 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+import java.util.List;
+
+import com.l2jserver.util.factory.CollectionFactory;
+
+/**
+ * An calculator is used to compute data and outputs its result. Note also, that
+ * an calculator is also an operation, that way you can nest calculators.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class Calculator implements Operation<Double> {
+	/**
+	 * List of operations in this calculator
+	 */
+	private final List<Operation<Double>> operations = CollectionFactory
+			.newList(null);
+
+	/**
+	 * Adds a new operation to this calculator. Operations with the same order
+	 * are replaced.
+	 * 
+	 * @param order
+	 *            the operation order, starting at 0.
+	 * @param operation
+	 *            the operation
+	 */
+	public void add(int order, Operation<Double> operation) {
+		operations.add(order, operation);
+	}
+
+	/**
+	 * Computes the result and output it
+	 * 
+	 * @return the computed value
+	 */
+	public double compute() {
+		return perform(0.00);
+	}
+
+	@Override
+	public Double perform(Double result) {
+		for (final Operation<Double> operation : operations) {
+			result = operation.perform(result);
+		}
+		return result;
+	}
+}

src/main/java/com/l2jserver/util/calculator/DivisionOperation.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs a division: <blockquote><code>chain value /
+ * value</code></blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class DivisionOperation implements Operation<Double> {
+	/**
+	 * The value
+	 */
+	private final double value;
+
+	public DivisionOperation(double value) {
+		this.value = value;
+	}
+
+	@Override
+	public Double perform(Double value) {
+		return value / this.value;
+	}
+}

src/main/java/com/l2jserver/util/calculator/ModulusOperation.java

@@ -0,0 +1,32 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs an modulus: <blockquote><code>|chain value|</code>
+ * </blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class ModulusOperation implements Operation<Double> {
+	@Override
+	public Double perform(Double value) {
+		if (value < 0)
+			return value * -1;
+		return value;
+	}
+}

src/main/java/com/l2jserver/util/calculator/MultiplicationOperation.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs an multiplication: <blockquote><code>chain value *
+ * value</code></blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class MultiplicationOperation implements Operation<Double> {
+	/**
+	 * The value
+	 */
+	private final double value;
+
+	public MultiplicationOperation(double value) {
+		this.value = value;
+	}
+
+	@Override
+	public Double perform(Double value) {
+		return value * this.value;
+	}
+}

src/main/java/com/l2jserver/util/calculator/NegateOperation.java

@@ -0,0 +1,30 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs an negate: <blockquote><code>-chain value</code>
+ * </blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class NegateOperation implements Operation<Double> {
+	@Override
+	public Double perform(Double value) {
+		return -value;
+	}
+}

src/main/java/com/l2jserver/util/calculator/Operation.java

@@ -0,0 +1,31 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public interface Operation<T extends Number> {
+	/**
+	 * Performs the operation in the calculation process
+	 * 
+	 * @param value
+	 *            the chain input value
+	 * @return the output value
+	 */
+	T perform(T value);
+}

src/main/java/com/l2jserver/util/calculator/PercentOperation.java

@@ -0,0 +1,32 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs a multiplication: <blockquote><code>chain value *
+ * (value / 100)</code></blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class PercentOperation extends MultiplicationOperation {
+	/**
+	 * The value
+	 */
+	public PercentOperation(double value) {
+		super(value / 100);
+	}
+}

src/main/java/com/l2jserver/util/calculator/RoundOperation.java

@@ -0,0 +1,29 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs an rounding in the number.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class RoundOperation implements Operation<Double> {
+	@Override
+	public Double perform(Double value) {
+		return (double) Math.round(value);
+	}
+}

src/main/java/com/l2jserver/util/calculator/SetOperation.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs an set. It ignores the input value and return its
+ * own.
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class SetOperation implements Operation<Double> {
+	/**
+	 * The value
+	 */
+	private final double value;
+
+	public SetOperation(double value) {
+		this.value = value;
+	}
+
+	@Override
+	public Double perform(Double value) {
+		return this.value;
+	}
+}

src/main/java/com/l2jserver/util/calculator/SubtractOperation.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs an subtraction: <blockquote><code>chain value -
+ * value</code></blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class SubtractOperation implements Operation<Double> {
+	/**
+	 * The value
+	 */
+	private final double value;
+
+	public SubtractOperation(double value) {
+		this.value = value;
+	}
+
+	@Override
+	public Double perform(Double value) {
+		return value - this.value;
+	}
+}

src/main/java/com/l2jserver/util/calculator/SumOperation.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.calculator;
+
+/**
+ * This operation performs a sum: <blockquote><code>chain value +
+ * value</code></blockquote>
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class SumOperation implements Operation<Double> {
+	/**
+	 * The value
+	 */
+	private final double value;
+
+	public SumOperation(double value) {
+		this.value = value;
+	}
+
+	@Override
+	public Double perform(Double value) {
+		return value + this.value;
+	}
+}

src/main/java/com/l2jserver/util/exception/L2Exception.java

@@ -0,0 +1,57 @@
+/*
+ * This file is part of l2jserver <l2jserver.com>.
+ *
+ * l2jserver is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * l2jserver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with l2jserver.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.l2jserver.util.exception;
+
+/**
+ * Base exception for Lineage 2
+ * 
+ * @author <a href="http://www.rogiel.com">Rogiel</a>
+ */
+public class L2Exception extends Exception {
+	/**
+	 * Default Serial Version UID
+	 */
+	private static final long serialVersionUID = 1L;
+
+	/**
+	 * @see Exception#Exception()
+	 */
+	public L2Exception() {
+		super();
+	}
+
+	/**
+	 * @see Exception#Exception(String, Throwable)
+	 */
+	public L2Exception(String message, Throwable cause) {
+		super(message, cause);
+	}
+
+	/**
+	 * @see Exception#Exception(String)
+	 */
+	public L2Exception(String message) {
+		super(message);
+	}
+
+	/**
+	 * @see Exception#Exception(Throwable)
+	 */
+	public L2Exception(Throwable cause) {
+		super(cause);
+	}
+}