import java.util.zip.ZipException;
/**
- * Extension that adds better handling of extra fields and provides
- * access to the internal and external file attributes.
- *
+ * Extension that adds better handling of extra fields and provides access to
+ * the internal and external file attributes.
+ *
*/
public class ZipEntry extends java.util.zip.ZipEntry implements Cloneable {
- private static final int PLATFORM_UNIX = 3;
- private static final int PLATFORM_FAT = 0;
-
- private int internalAttributes = 0;
- private int platform = PLATFORM_FAT;
- private long externalAttributes = 0;
- private Vector/*<ZipExtraField>*/ extraFields = null;
- private String name = null;
-
- /**
- * Creates a new zip entry with the specified name.
- * @param name the name of the entry
- * @since 1.1
- */
- public ZipEntry(String name) {
- super(name);
- }
-
- /**
- * Creates a new zip entry with fields taken from the specified zip entry.
- * @param entry the entry to get fields from
- * @since 1.1
- * @throws ZipException on error
- */
- public ZipEntry(java.util.zip.ZipEntry entry) throws ZipException {
- super(entry);
- byte[] extra = entry.getExtra();
- if (extra != null) {
- setExtraFields(ExtraFieldUtils.parse(extra));
- } else {
- // initializes extra data to an empty byte array
- setExtra();
- }
- }
-
- /**
- * Creates a new zip entry with fields taken from the specified zip entry.
- * @param entry the entry to get fields from
- * @throws ZipException on error
- * @since 1.1
- */
- public ZipEntry(ZipEntry entry) throws ZipException {
- this((java.util.zip.ZipEntry) entry);
- setInternalAttributes(entry.getInternalAttributes());
- setExternalAttributes(entry.getExternalAttributes());
- setExtraFields(entry.getExtraFields());
- }
-
- /**
- * @since 1.9
- */
- protected ZipEntry() {
- super("");
- }
-
- /**
- * Overwrite clone.
- * @return a cloned copy of this ZipEntry
- * @since 1.1
- */
- public Object clone() {
- ZipEntry e = (ZipEntry) super.clone();
-
- e.extraFields = extraFields != null ? (Vector) extraFields.clone() : null;
- e.setInternalAttributes(getInternalAttributes());
- e.setExternalAttributes(getExternalAttributes());
- e.setExtraFields(getExtraFields());
- return e;
- }
-
- /**
- * Retrieves the internal file attributes.
- *
- * @return the internal file attributes
- * @since 1.1
- */
- public int getInternalAttributes() {
- return internalAttributes;
- }
-
- /**
- * Sets the internal file attributes.
- * @param value an <code>int</code> 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 <code>long</code> 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 <code>int</code> 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 <code>int</code> 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 = new Vector();
- 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() {
- if (extraFields == null) {
- return new ZipExtraField[0];
- }
- 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) {
- if (extraFields == null) {
- extraFields = new Vector();
- }
- 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) {
- if (extraFields == null) {
- extraFields = new Vector();
- }
- 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();
+ private static final int PLATFORM_UNIX = 3;
+
+ private static final int PLATFORM_FAT = 0;
+
+ private int internalAttributes = 0;
+
+ private int platform = PLATFORM_FAT;
+
+ private long externalAttributes = 0;
+
+ private Vector/* <ZipExtraField> */extraFields = null;
+
+ private String name = null;
+
+ /**
+ * Creates a new zip entry with the specified name.
+ *
+ * @param name
+ * the name of the entry
+ * @since 1.1
+ */
+ public ZipEntry(String name) {
+ super(name);
+ }
+
+ /**
+ * Creates a new zip entry with fields taken from the specified zip entry.
+ *
+ * @param entry
+ * the entry to get fields from
+ * @since 1.1
+ * @throws ZipException
+ * on error
+ */
+ public ZipEntry(java.util.zip.ZipEntry entry) throws ZipException {
+ super(entry);
+ byte[] extra = entry.getExtra();
+ if (extra != null) {
+ setExtraFields(ExtraFieldUtils.parse(extra));
+ } else {
+ // initializes extra data to an empty byte array
+ 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());
- }
+ }
+
+ /**
+ * Creates a new zip entry with fields taken from the specified zip entry.
+ *
+ * @param entry
+ * the entry to get fields from
+ * @throws ZipException
+ * on error
+ * @since 1.1
+ */
+ public ZipEntry(ZipEntry entry) throws ZipException {
+ this((java.util.zip.ZipEntry) entry);
+ setInternalAttributes(entry.getInternalAttributes());
+ setExternalAttributes(entry.getExternalAttributes());
+ setExtraFields(entry.getExtraFields());
+ }
+
+ /**
+ * @since 1.9
+ */
+ protected ZipEntry() {
+ super("");
+ }
+
+ /**
+ * Overwrite clone.
+ *
+ * @return a cloned copy of this ZipEntry
+ * @since 1.1
+ */
+ public Object clone() {
+ ZipEntry e = (ZipEntry) super.clone();
+
+ e.extraFields = extraFields != null ? (Vector) extraFields.clone() : null;
+ e.setInternalAttributes(getInternalAttributes());
+ e.setExternalAttributes(getExternalAttributes());
+ e.setExtraFields(getExtraFields());
+ return e;
+ }
+
+ /**
+ * Retrieves the internal file attributes.
+ *
+ * @return the internal file attributes
+ * @since 1.1
+ */
+ public int getInternalAttributes() {
+ return internalAttributes;
+ }
+
+ /**
+ * Sets the internal file attributes.
+ *
+ * @param value
+ * an <code>int</code> 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 <code>long</code> 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 <code>int</code> 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 <code>int</code> 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 = new Vector();
+ for (int i = 0; i < fields.length; i++) {
+ extraFields.addElement(fields[i]);
}
-
- /**
- * 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()));
+ setExtra();
+ }
+
+ /**
+ * Retrieves extra fields.
+ *
+ * @return an array of the extra fields
+ * @since 1.1
+ */
+ public ZipExtraField[] getExtraFields() {
+ if (extraFields == null) {
+ return new ZipExtraField[0];
}
-
- /**
- * 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];
+ 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) {
+ if (extraFields == null) {
+ extraFields = new Vector();
}
-
- /**
- * Retrieves the extra data for the central directory.
- * @return the central directory extra data
- * @since 1.1
- */
- public byte[] getCentralDirectoryExtra() {
- return ExtraFieldUtils.mergeCentralDirectoryData(getExtraFields());
+ 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;
+ }
}
-
- /**
- * Make this class work in JDK 1.1 like a 1.2 class.
- *
- * <p>This either stores the size for later usage or invokes
- * setCompressedSize via reflection.</p>
- * @param size the size to use
- * @deprecated since 1.7.
- * Use setCompressedSize directly.
- * @since 1.2
- */
- public void setComprSize(long size) {
- setCompressedSize(size);
+ if (!done) {
+ extraFields.addElement(ze);
}
-
- /**
- * Get the name of the entry.
- * @return the entry name
- * @since 1.9
- */
- public String getName() {
- return name == null ? super.getName() : name;
+ setExtra();
+ }
+
+ /**
+ * Remove an extra fields.
+ *
+ * @param type
+ * the type of extra field to remove
+ * @since 1.1
+ */
+ public void removeExtraField(ZipShort type) {
+ if (extraFields == null) {
+ extraFields = new Vector();
}
-
- /**
- * Is this entry a directory?
- * @return true if the entry is a directory
- * @since 1.10
- */
- public boolean isDirectory() {
- return getName().endsWith("/");
+ 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;
+ }
}
-
- /**
- * Set the name of the entry.
- * @param name the name to use
- */
- protected void setName(String name) {
- this.name = name;
+ if (!done) {
+ throw new java.util.NoSuchElementException();
}
-
- /**
- * 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 is the same as <code>o</code>
- * @since Ant 1.7
- */
- public boolean equals(Object o) {
- return (this == o);
+ 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());
+ }
+
+ /**
+ * Make this class work in JDK 1.1 like a 1.2 class.
+ *
+ * <p>
+ * This either stores the size for later usage or invokes setCompressedSize
+ * via reflection.
+ * </p>
+ *
+ * @param size
+ * the size to use
+ * @deprecated since 1.7. Use setCompressedSize directly.
+ * @since 1.2
+ */
+ public void setComprSize(long size) {
+ setCompressedSize(size);
+ }
+
+ /**
+ * 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 is the same as <code>o</code>
+ * @since Ant 1.7
+ */
+ public boolean equals(Object o) {
+ return (this == o);
+ }
}
git://source.jalview.org / vamsas.git / blobdiff