int value
* @since 1.1
*/
public void setInternalAttributes(int value) {
internalAttributes = value;
}
/**
* Retrieves the external file attributes.
* @return the external file attributes
* @since 1.1
*/
public long getExternalAttributes() {
return externalAttributes;
}
/**
* Sets the external file attributes.
* @param value an long value
* @since 1.1
*/
public void setExternalAttributes(long value) {
externalAttributes = value;
}
/**
* Sets Unix permissions in a way that is understood by Info-Zip's
* unzip command.
* @param mode an int value
* @since Ant 1.5.2
*/
public void setUnixMode(int mode) {
setExternalAttributes((mode << 16)
// MS-DOS read-only attribute
| ((mode & 0200) == 0 ? 1 : 0)
// MS-DOS directory flag
| (isDirectory() ? 0x10 : 0));
platform = PLATFORM_UNIX;
}
/**
* Unix permission.
* @return the unix permissions
* @since Ant 1.6
*/
public int getUnixMode() {
return (int) ((getExternalAttributes() >> 16) & 0xFFFF);
}
/**
* Platform specification to put into the "version made
* by" part of the central file header.
*
* @return 0 (MS-DOS FAT) unless {@link #setUnixMode setUnixMode}
* has been called, in which case 3 (Unix) will be returned.
*
* @since Ant 1.5.2
*/
public int getPlatform() {
return platform;
}
/**
* Set the platform (UNIX or FAT).
* @param platform an int value - 0 is FAT, 3 is UNIX
* @since 1.9
*/
protected void setPlatform(int platform) {
this.platform = platform;
}
/**
* Replaces all currently attached extra fields with the new array.
* @param fields an array of extra fields
* @since 1.1
*/
public void setExtraFields(ZipExtraField[] fields) {
extraFields.removeAllElements();
for (int i = 0; i < fields.length; i++) {
extraFields.addElement(fields[i]);
}
setExtra();
}
/**
* Retrieves extra fields.
* @return an array of the extra fields
* @since 1.1
*/
public ZipExtraField[] getExtraFields() {
ZipExtraField[] result = new ZipExtraField[extraFields.size()];
extraFields.copyInto(result);
return result;
}
/**
* Adds an extra fields - replacing an already present extra field
* of the same type.
* @param ze an extra field
* @since 1.1
*/
public void addExtraField(ZipExtraField ze) {
ZipShort type = ze.getHeaderId();
boolean done = false;
for (int i = 0, fieldsSize = extraFields.size(); !done && i < fieldsSize; i++) {
if (((ZipExtraField) extraFields.elementAt(i)).getHeaderId().equals(type)) {
extraFields.setElementAt(ze, i);
done = true;
}
}
if (!done) {
extraFields.addElement(ze);
}
setExtra();
}
/**
* Remove an extra fields.
* @param type the type of extra field to remove
* @since 1.1
*/
public void removeExtraField(ZipShort type) {
boolean done = false;
for (int i = 0, fieldsSize = extraFields.size(); !done && i < fieldsSize; i++) {
if (((ZipExtraField) extraFields.elementAt(i)).getHeaderId().equals(type)) {
extraFields.removeElementAt(i);
done = true;
}
}
if (!done) {
throw new java.util.NoSuchElementException();
}
setExtra();
}
/**
* Throws an Exception if extra data cannot be parsed into extra fields.
* @param extra an array of bytes to be parsed into extra fields
* @throws RuntimeException if the bytes cannot be parsed
* @since 1.1
* @throws RuntimeException on error
*/
public void setExtra(byte[] extra) throws RuntimeException {
try {
setExtraFields(ExtraFieldUtils.parse(extra));
} catch (Exception e) {
throw new RuntimeException(e.getMessage());
}
}
/**
* Unfortunately {@link java.util.zip.ZipOutputStream
* java.util.zip.ZipOutputStream} seems to access the extra data
* directly, so overriding getExtra doesn't help - we need to
* modify super's data directly.
*
* @since 1.1
*/
protected void setExtra() {
super.setExtra(ExtraFieldUtils.mergeLocalFileDataData(getExtraFields()));
}
/**
* Retrieves the extra data for the local file data.
* @return the extra data for local file
* @since 1.1
*/
public byte[] getLocalFileDataExtra() {
byte[] extra = getExtra();
return extra != null ? extra : new byte[0];
}
/**
* Retrieves the extra data for the central directory.
* @return the central directory extra data
* @since 1.1
*/
public byte[] getCentralDirectoryExtra() {
return ExtraFieldUtils.mergeCentralDirectoryData(getExtraFields());
}
/**
* Helper for JDK 1.1 <-> 1.2 incompatibility.
*
* @since 1.2
*/
private Long compressedSize = null;
/**
* Make this class work in JDK 1.1 like a 1.2 class.
*
* This either stores the size for later usage or invokes * setCompressedSize via reflection.
* @param size the size to use * @since 1.2 */ public void setComprSize(long size) { if (haveSetCompressedSize()) { performSetCompressedSize(this, size); } else { compressedSize = new Long(size); } } /** * Override to make this class work in JDK 1.1 like a 1.2 class. * @return the compressed size * @since 1.2 */ public long getCompressedSize() { if (compressedSize != null) { // has been set explicitly and we are running in a 1.1 VM return compressedSize.longValue(); } return super.getCompressedSize(); } /** * Get the name of the entry. * @return the entry name * @since 1.9 */ public String getName() { return name == null ? super.getName() : name; } /** * Is this entry a directory? * @return true if the entry is a directory * @since 1.10 */ public boolean isDirectory() { return getName().endsWith("/"); } /** * Set the name of the entry. * @param name the name to use */ protected void setName(String name) { this.name = name; } /** * Get the hashCode of the entry. * This uses the name as the hashcode. * @return a hashcode. * @since Ant 1.7 */ public int hashCode() { // this method has severe consequences on performance. We cannot rely // on the super.hashCode() method since super.getName() always return // the empty string in the current implemention (there's no setter) // so it is basically draining the performance of a hashmap lookup return getName().hashCode(); } /** * The equality method. In this case, the implementation returns 'this == o' * which is basically the equals method of the Object class. * @param o the object to compare to * @return true if this object has the same name aso
* @since Ant 1.7
*/
public boolean equals(Object o) {
return (this == o);
}
/**
* Helper for JDK 1.1
*
* @since 1.2
*/
private static Method setCompressedSizeMethod = null;
/**
* Helper for JDK 1.1
*
* @since 1.2
*/
private static Object lockReflection = new Object();
/**
* Helper for JDK 1.1
*
* @since 1.2
*/
private static boolean triedToGetMethod = false;
/**
* Are we running JDK 1.2 or higher?
*
* @since 1.2
*/
private static boolean haveSetCompressedSize() {
checkSCS();
return setCompressedSizeMethod != null;
}
/**
* Invoke setCompressedSize via reflection.
*
* @since 1.2
*/
private static void performSetCompressedSize(ZipEntry ze, long size) {
Long[] s = {new Long(size)};
try {
setCompressedSizeMethod.invoke(ze, (Object[]) s);
} catch (InvocationTargetException ite) {
Throwable nested = ite.getTargetException();
String msg = getDisplayableMessage(nested);
if (msg == null) {
msg = getDisplayableMessage(ite);
}
if (nested != null) {
nested.printStackTrace();
} else {
ite.printStackTrace();
}
throw new RuntimeException("InvocationTargetException setting the "
+ "compressed size of " + ze + ": "
+ msg);
} catch (Exception other) {
throw new RuntimeException("Exception setting the compressed size "
+ "of " + ze + ": "
+ getDisplayableMessage(other));
}
}
/**
* Try to get a handle to the setCompressedSize method.
*
* @since 1.2
*/
private static void checkSCS() {
if (!triedToGetMethod) {
synchronized (lockReflection) {
triedToGetMethod = true;
try {
setCompressedSizeMethod =
java.util.zip.ZipEntry.class.getMethod("setCompressedSize",
new Class[] {Long.TYPE});
} catch (NoSuchMethodException nse) {
// Ignore the exception
}
}
}
}
/**
* try to get as much single-line information out of the exception
* as possible.
*/
private static String getDisplayableMessage(Throwable e) {
String msg = null;
if (e != null) {
if (e.getMessage() != null) {
msg = e.getClass().getName() + ": " + e.getMessage();
} else {
msg = e.getClass().getName();
}
}
return msg;
}
}