diff options
Diffstat (limited to 'org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java')
| -rw-r--r-- | org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java b/org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java new file mode 100644 index 0000000..8c3e89f --- /dev/null +++ b/org.fox.ttcomics/src/main/java/com/github/junrar/rarfile/MainHeader.java @@ -0,0 +1,141 @@ +/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 22.05.2007
+ *
+ * Source: $HeadURL$
+ * Last changed: $LastChangedDate$
+ *
+ *
+ * the unrar licence applies to all junrar source and binary distributions
+ * you are not allowed to use this source to re-create the RAR compression algorithm
+ *
+ * Here some html entities which can be used for escaping javadoc tags:
+ * "&": "&" or "&"
+ * "<": "<" or "<"
+ * ">": ">" or ">"
+ * "@": "@"
+ */
+package com.github.junrar.rarfile;
+
+import com.github.junrar.io.Raw;
+
+
+/**
+ * The main header of an rar archive. holds information concerning the whole archive (solid, encrypted etc).
+ *
+ * @author $LastChangedBy$
+ * @version $LastChangedRevision$
+ */
+public class MainHeader extends BaseBlock {
+ //private Log //logger = LogFactory.getLog(MainHeader.class.getName());
+ public static final short mainHeaderSizeWithEnc = 7;
+ public static final short mainHeaderSize = 6;
+ private short highPosAv;
+ private int posAv;
+ private byte encryptVersion;
+
+ public MainHeader(BaseBlock bb, byte[] mainHeader) {
+ super(bb);
+ int pos = 0;
+ highPosAv = Raw.readShortLittleEndian(mainHeader, pos);
+ pos += 2;
+ posAv = Raw.readIntLittleEndian(mainHeader, pos);
+ pos+=4;
+
+ if(hasEncryptVersion()){
+ encryptVersion |= mainHeader[pos]&0xff;
+ }
+ }
+
+ /**
+ * old cmt block is present
+ * @return true if has cmt block
+ */
+ public boolean hasArchCmt(){
+ return (this.flags & BaseBlock.MHD_COMMENT)!=0;
+ }
+ /**
+ * the version the the encryption
+ * @return
+ */
+ public byte getEncryptVersion() {
+ return encryptVersion;
+ }
+
+ public short getHighPosAv() {
+ return highPosAv;
+ }
+
+ public int getPosAv() {
+ return posAv;
+ }
+
+ /**
+ * returns whether the archive is encrypted
+ * @return
+ */
+ public boolean isEncrypted(){
+ return (this.flags & BaseBlock.MHD_PASSWORD)!=0;
+ }
+
+ /**
+ * return whether the archive is a multivolume archive
+ * @return
+ */
+ public boolean isMultiVolume(){
+ return (this.flags & BaseBlock.MHD_VOLUME)!=0;
+ }
+
+ /**
+ * if the archive is a multivolume archive this method returns whether this instance is the first part of the multivolume archive
+ * @return
+ */
+ public boolean isFirstVolume(){
+ return (this.flags & BaseBlock.MHD_FIRSTVOLUME)!=0;
+ }
+
+ public void print(){
+ super.print();
+ StringBuilder str=new StringBuilder();
+ str.append("posav: "+getPosAv());
+ str.append("\nhighposav: "+getHighPosAv());
+ str.append("\nhasencversion: "+hasEncryptVersion()+(hasEncryptVersion()?getEncryptVersion():""));
+ str.append("\nhasarchcmt: "+hasArchCmt());
+ str.append("\nisEncrypted: "+isEncrypted());
+ str.append("\nisMultivolume: "+isMultiVolume());
+ str.append("\nisFirstvolume: "+isFirstVolume());
+ str.append("\nisSolid: "+isSolid());
+ str.append("\nisLocked: "+isLocked());
+ str.append("\nisProtected: "+isProtected());
+ str.append("\nisAV: "+isAV());
+ //logger.info(str.toString());
+ }
+
+ /**
+ * returns whether this archive is solid. in this case you can only extract all file at once
+ * @return
+ */
+ public boolean isSolid(){
+ return (this.flags&MHD_SOLID)!=0;
+ }
+
+ public boolean isLocked(){
+ return (this.flags&MHD_LOCK)!=0;
+ }
+
+ public boolean isProtected(){
+ return (this.flags&MHD_PROTECT)!=0;
+ }
+
+ public boolean isAV(){
+ return (this.flags&MHD_AV)!=0;
+ }
+ /**
+ * the numbering format a multivolume archive
+ * @return
+ */
+ public boolean isNewNumbering(){
+ return (this.flags&MHD_NEWNUMBERING)!=0;
+ }
+}
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