package org.apache.tools.zip;
/**
- * Utility class that represents a four byte integer with conversion
- * rules for the big endian byte order of ZIP files.
- *
+ * Utility class that represents a four byte integer with conversion rules for
+ * the big endian byte order of ZIP files.
+ *
*/
public final class ZipLong implements Cloneable {
- private long value;
+ private long value;
- /**
- * Create instance from a number.
- * @param value the long to store as a ZipLong
- * @since 1.1
- */
- public ZipLong(long value) {
- this.value = value;
- }
+ /**
+ * Create instance from a number.
+ *
+ * @param value
+ * the long to store as a ZipLong
+ * @since 1.1
+ */
+ public ZipLong(long value) {
+ this.value = value;
+ }
- /**
- * Create instance from bytes.
- * @param bytes the bytes to store as a ZipLong
- * @since 1.1
- */
- public ZipLong (byte[] bytes) {
- this(bytes, 0);
- }
+ /**
+ * Create instance from bytes.
+ *
+ * @param bytes
+ * the bytes to store as a ZipLong
+ * @since 1.1
+ */
+ public ZipLong(byte[] bytes) {
+ this(bytes, 0);
+ }
- /**
- * Create instance from the four bytes starting at offset.
- * @param bytes the bytes to store as a ZipLong
- * @param offset the offset to start
- * @since 1.1
- */
- public ZipLong (byte[] bytes, int offset) {
- value = ZipLong.getValue(bytes, offset);
- }
+ /**
+ * Create instance from the four bytes starting at offset.
+ *
+ * @param bytes
+ * the bytes to store as a ZipLong
+ * @param offset
+ * the offset to start
+ * @since 1.1
+ */
+ public ZipLong(byte[] bytes, int offset) {
+ value = ZipLong.getValue(bytes, offset);
+ }
- /**
- * Get value as four bytes in big endian byte order.
- * @since 1.1
- * @return value as four bytes in big endian order
- */
- public byte[] getBytes() {
- return ZipLong.getBytes(value);
- }
+ /**
+ * Get value as four bytes in big endian byte order.
+ *
+ * @since 1.1
+ * @return value as four bytes in big endian order
+ */
+ public byte[] getBytes() {
+ return ZipLong.getBytes(value);
+ }
- /**
- * Get value as Java long.
- * @since 1.1
- * @return value as a long
- */
- public long getValue() {
- return value;
- }
+ /**
+ * Get value as Java long.
+ *
+ * @since 1.1
+ * @return value as a long
+ */
+ public long getValue() {
+ return value;
+ }
- /**
- * Get value as four bytes in big endian byte order.
- * @param value the value to convert
- * @return value as four bytes in big endian byte order
- */
- public static byte[] getBytes(long value) {
- byte[] result = new byte[4];
- result[0] = (byte) ((value & 0xFF));
- result[1] = (byte) ((value & 0xFF00) >> 8);
- result[2] = (byte) ((value & 0xFF0000) >> 16);
- result[3] = (byte) ((value & 0xFF000000L) >> 24);
- return result;
- }
+ /**
+ * Get value as four bytes in big endian byte order.
+ *
+ * @param value
+ * the value to convert
+ * @return value as four bytes in big endian byte order
+ */
+ public static byte[] getBytes(long value) {
+ byte[] result = new byte[4];
+ result[0] = (byte) ((value & 0xFF));
+ result[1] = (byte) ((value & 0xFF00) >> 8);
+ result[2] = (byte) ((value & 0xFF0000) >> 16);
+ result[3] = (byte) ((value & 0xFF000000L) >> 24);
+ return result;
+ }
- /**
- * Helper method to get the value as a Java long from four bytes starting at given array offset
- * @param bytes the array of bytes
- * @param offset the offset to start
- * @return the correspondanding Java long value
- */
- public static long getValue(byte[] bytes, int offset) {
- long value = (bytes[offset + 3] << 24) & 0xFF000000L;
- value += (bytes[offset + 2] << 16) & 0xFF0000;
- value += (bytes[offset + 1] << 8) & 0xFF00;
- value += (bytes[offset] & 0xFF);
- return value;
- }
+ /**
+ * Helper method to get the value as a Java long from four bytes starting at
+ * given array offset
+ *
+ * @param bytes
+ * the array of bytes
+ * @param offset
+ * the offset to start
+ * @return the correspondanding Java long value
+ */
+ public static long getValue(byte[] bytes, int offset) {
+ long value = (bytes[offset + 3] << 24) & 0xFF000000L;
+ value += (bytes[offset + 2] << 16) & 0xFF0000;
+ value += (bytes[offset + 1] << 8) & 0xFF00;
+ value += (bytes[offset] & 0xFF);
+ return value;
+ }
- /**
- * Helper method to get the value as a Java long from a four-byte array
- * @param bytes the array of bytes
- * @return the correspondanding Java long value
- */
- public static long getValue(byte[] bytes) {
- return getValue(bytes, 0);
- }
+ /**
+ * Helper method to get the value as a Java long from a four-byte array
+ *
+ * @param bytes
+ * the array of bytes
+ * @return the correspondanding Java long value
+ */
+ public static long getValue(byte[] bytes) {
+ return getValue(bytes, 0);
+ }
- /**
- * Override to make two instances with same value equal.
- * @param o an object to compare
- * @return true if the objects are equal
- * @since 1.1
- */
- public boolean equals(Object o) {
- if (o == null || !(o instanceof ZipLong)) {
- return false;
- }
- return value == ((ZipLong) o).getValue();
+ /**
+ * Override to make two instances with same value equal.
+ *
+ * @param o
+ * an object to compare
+ * @return true if the objects are equal
+ * @since 1.1
+ */
+ public boolean equals(Object o) {
+ if (o == null || !(o instanceof ZipLong)) {
+ return false;
}
+ return value == ((ZipLong) o).getValue();
+ }
- /**
- * Override to make two instances with same value equal.
- * @return the value stored in the ZipLong
- * @since 1.1
- */
- public int hashCode() {
- return (int) value;
- }
+ /**
+ * Override to make two instances with same value equal.
+ *
+ * @return the value stored in the ZipLong
+ * @since 1.1
+ */
+ public int hashCode() {
+ return (int) value;
+ }
}
git://source.jalview.org / vamsas.git / blobdiff