-/*******************************************************************************\r
- * Copyright (c) 2007- VTT Technical Research Centre of Finland.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-/*\r
- * Created on Jan 21, 2005\r
- * \r
- * Copyright Toni Kalajainen\r
- * \r
- * Licensed under the Apache License, Version 2.0 (the "License");\r
- * you may not use this file except in compliance with the License.\r
- * You may obtain a copy of the License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing, software\r
- * distributed under the License is distributed on an "AS IS" BASIS,\r
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
- * See the License for the specific language governing permissions and\r
- * limitations under the License.\r
- */\r
-package org.simantics.utils.bytes;\r
-\r
-import org.simantics.utils.strings.EString;\r
-\r
-/**\r
- * Byte array <-> string conversions\r
- * \r
- * All conversions have length in the beginning (32-bit integer) and\r
- * followed by actual chars \r
- * \r
- * the length is in Big Endian\r
- *\r
- * @author Toni Kalajainen\r
- */\r
-public class BEString {\r
-\r
- public static byte[] toBytes(String s) {\r
- int size = s.length();\r
- byte array[] = new byte[size + 4];\r
- // write length\r
- BEInt.write(size, array);\r
- // write chars\r
- for (int i=0; i<size; i++)\r
- array[i+4] = (byte) (s.charAt(i) );\r
- return array;\r
- }\r
- \r
- /**\r
- * Write string to byte array\r
- * @param str the string\r
- * @param array the byte array\r
- * @param offset the offset\r
- */\r
- public static void write(String str, byte array[], int offset)\r
- {\r
- int size = str.length();\r
- if (offset+4+size>array.length)\r
- throw new IndexOutOfBoundsException(); \r
- BEInt.write(size, array, offset);\r
- for (int i=0; i<size; i++)\r
- array[i+4+offset] = (byte) (str.charAt(i) ); \r
- }\r
- \r
- /**\r
- * Write string to byte array\r
- * @param str the string\r
- * @param array the byte array\r
- * @param offset the offset\r
- */\r
- public static void write(String str, byte array[])\r
- {\r
- int size = str.length();\r
- if (4+size>array.length)\r
- throw new IndexOutOfBoundsException(); \r
- BEInt.write(size, array);\r
- for (int i=0; i<size; i++)\r
- array[i+4] = (byte) (str.charAt(i) ); \r
- }\r
- \r
- public static String toString(byte array[], int offset) {\r
- if (offset+4>array.length)\r
- throw new IndexOutOfBoundsException();\r
- // read size\r
- int size = BEInt.toInt(array, offset);\r
- if (offset+4+size>array.length)\r
- throw new IndexOutOfBoundsException();\r
- // read chars\r
- //return new String(array, 4+offset, size);\r
- char chars[] = new char[size];\r
- for (int i=0; i<size; i++)\r
- chars[i] = (char) (array[i+4+offset] & 0xff); \r
- return new String(chars);\r
- }\r
- \r
- public static String toString(byte array[]) {\r
- if (4>array.length)\r
- throw new IndexOutOfBoundsException();\r
- // read size\r
- int size = BEInt.toInt(array);\r
- if (4+size>array.length)\r
- throw new IndexOutOfBoundsException();\r
- // read chars\r
- //return new String(array, 4, size);\r
- char chars[] = new char[size];\r
- for (int i=0; i<size; i++)\r
- chars[i] = (char) (array[i+4] & 0xff); \r
- return new String(chars);\r
- }\r
- \r
- /**\r
- * Big Endian hex\r
- * @param value\r
- * @param decimals\r
- * @return\r
- */\r
- public static String intToHex(int value, int decimals) {\r
- String result=""; \r
- for (int i=0; i<decimals; i++) {\r
- result += EString.HEX_VALUES[(value>>4) & 0xF];\r
- result += EString.HEX_VALUES[value & 0xF];\r
- value = value >> 8; \r
- } \r
- return result;\r
- } \r
- \r
- public static void main(String[] args) {\r
- String value = "STRING 01234"+(char)(128)+(char)(129)+(char)(255);\r
- \r
- int X = 500;\r
- System.out.println(X+" = "+intToHex(X, 4)); \r
- \r
- byte array[] = toBytes(value); \r
- System.out.print(value);\r
- System.out.print(" = ");\r
- printByteArray(array);\r
- System.out.println();\r
- \r
- write(value, array);\r
- System.out.print(value);\r
- System.out.print(" = ");\r
- printByteArray(array);\r
- System.out.println();\r
- \r
- write(value, array, 0);\r
- System.out.print(value);\r
- System.out.print(" = ");\r
- printByteArray(array);\r
- System.out.println();\r
- \r
- value = toString(array, 0);\r
- printByteArray(array);\r
- System.out.print(" = ");\r
- System.out.print(value);\r
- System.out.println();\r
- \r
- value = toString(array);\r
- printByteArray(array);\r
- System.out.print(" = ");\r
- System.out.print(value);\r
- System.out.println();\r
- \r
- array = toBytes(value); \r
- System.out.print(value);\r
- System.out.print(" = ");\r
- printByteArray(array);\r
- System.out.println();\r
- \r
- \r
- }\r
- \r
- public static void printByteArray(byte array[]) {\r
- for (int i=0; i<array.length; i++) {\r
- System.out.print(array[i] & 0xff);\r
- if (i<array.length-1) \r
- System.out.print(",");\r
- }\r
- } \r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007- VTT Technical Research Centre of Finland.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ * Created on Jan 21, 2005
+ *
+ * Copyright Toni Kalajainen
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.simantics.utils.bytes;
+
+import org.simantics.utils.strings.EString;
+
+/**
+ * Byte array <-> string conversions
+ *
+ * All conversions have length in the beginning (32-bit integer) and
+ * followed by actual chars
+ *
+ * the length is in Big Endian
+ *
+ * @author Toni Kalajainen
+ */
+public class BEString {
+
+ public static byte[] toBytes(String s) {
+ int size = s.length();
+ byte array[] = new byte[size + 4];
+ // write length
+ BEInt.write(size, array);
+ // write chars
+ for (int i=0; i<size; i++)
+ array[i+4] = (byte) (s.charAt(i) );
+ return array;
+ }
+
+ /**
+ * Write string to byte array
+ * @param str the string
+ * @param array the byte array
+ * @param offset the offset
+ */
+ public static void write(String str, byte array[], int offset)
+ {
+ int size = str.length();
+ if (offset+4+size>array.length)
+ throw new IndexOutOfBoundsException();
+ BEInt.write(size, array, offset);
+ for (int i=0; i<size; i++)
+ array[i+4+offset] = (byte) (str.charAt(i) );
+ }
+
+ /**
+ * Write string to byte array
+ * @param str the string
+ * @param array the byte array
+ * @param offset the offset
+ */
+ public static void write(String str, byte array[])
+ {
+ int size = str.length();
+ if (4+size>array.length)
+ throw new IndexOutOfBoundsException();
+ BEInt.write(size, array);
+ for (int i=0; i<size; i++)
+ array[i+4] = (byte) (str.charAt(i) );
+ }
+
+ public static String toString(byte array[], int offset) {
+ if (offset+4>array.length)
+ throw new IndexOutOfBoundsException();
+ // read size
+ int size = BEInt.toInt(array, offset);
+ if (offset+4+size>array.length)
+ throw new IndexOutOfBoundsException();
+ // read chars
+ //return new String(array, 4+offset, size);
+ char chars[] = new char[size];
+ for (int i=0; i<size; i++)
+ chars[i] = (char) (array[i+4+offset] & 0xff);
+ return new String(chars);
+ }
+
+ public static String toString(byte array[]) {
+ if (4>array.length)
+ throw new IndexOutOfBoundsException();
+ // read size
+ int size = BEInt.toInt(array);
+ if (4+size>array.length)
+ throw new IndexOutOfBoundsException();
+ // read chars
+ //return new String(array, 4, size);
+ char chars[] = new char[size];
+ for (int i=0; i<size; i++)
+ chars[i] = (char) (array[i+4] & 0xff);
+ return new String(chars);
+ }
+
+ /**
+ * Big Endian hex
+ * @param value
+ * @param decimals
+ * @return
+ */
+ public static String intToHex(int value, int decimals) {
+ String result="";
+ for (int i=0; i<decimals; i++) {
+ result += EString.HEX_VALUES[(value>>4) & 0xF];
+ result += EString.HEX_VALUES[value & 0xF];
+ value = value >> 8;
+ }
+ return result;
+ }
+
+ public static void main(String[] args) {
+ String value = "STRING 01234"+(char)(128)+(char)(129)+(char)(255);
+
+ int X = 500;
+ System.out.println(X+" = "+intToHex(X, 4));
+
+ byte array[] = toBytes(value);
+ System.out.print(value);
+ System.out.print(" = ");
+ printByteArray(array);
+ System.out.println();
+
+ write(value, array);
+ System.out.print(value);
+ System.out.print(" = ");
+ printByteArray(array);
+ System.out.println();
+
+ write(value, array, 0);
+ System.out.print(value);
+ System.out.print(" = ");
+ printByteArray(array);
+ System.out.println();
+
+ value = toString(array, 0);
+ printByteArray(array);
+ System.out.print(" = ");
+ System.out.print(value);
+ System.out.println();
+
+ value = toString(array);
+ printByteArray(array);
+ System.out.print(" = ");
+ System.out.print(value);
+ System.out.println();
+
+ array = toBytes(value);
+ System.out.print(value);
+ System.out.print(" = ");
+ printByteArray(array);
+ System.out.println();
+
+
+ }
+
+ public static void printByteArray(byte array[]) {
+ for (int i=0; i<array.length; i++) {
+ System.out.print(array[i] & 0xff);
+ if (i<array.length-1)
+ System.out.print(",");
+ }
+ }
+}
Code Review / simantics / platform.git / blobdiff