Package java.util.zip

Examples of java.util.zip.ZipException

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        int start = 0;
        while (start <= data.length - 4) {
            ZipShort headerId = new ZipShort(data, start);
            int length = (new ZipShort(data, start + 2)).getValue();
            if (start + 4 + length > data.length) {
                throw new ZipException("data starting at " + start
                    + " is in unknown format");
            }
            try {
                ZipExtraField ze = createExtraField(headerId);
                ze.parseFromLocalFileData(data, start + 4, length);
                v.addElement(ze);
            } catch (InstantiationException ie) {
                throw new ZipException(ie.getMessage());
            } catch (IllegalAccessException iae) {
                throw new ZipException(iae.getMessage());
            }
            start += (length + 4);
        }
        if (start != data.length) { // array not exhausted
            throw new ZipException("data starting at " + start
                + " is in unknown format");
        }
       
        ZipExtraField[] result = new ZipExtraField[v.size()];
        v.copyInto(result);
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            def.reset();

            written += entry.getCompressedSize();
        } else {
            if (entry.getCrc() != realCrc) {
                throw new ZipException("bad CRC checksum for entry "
                                       + entry.getName() + ": "
                                       + Long.toHexString(entry.getCrc())
                                       + " instead of "
                                       + Long.toHexString(realCrc));
            }

            if (entry.getSize() != written - dataStart) {
                throw new ZipException("bad size for entry "
                                       + entry.getName() + ": "
                                       + entry.getSize()
                                       + " instead of "
                                       + (written - dataStart));
            }
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            entry.setTime(System.currentTimeMillis());
        }

        if (entry.getMethod() == STORED) {
            if (entry.getSize() == -1) {
                throw new ZipException("uncompressed size is required for STORED method");
            }
            if (entry.getCrc() == -1) {
                throw new ZipException("crc checksum is required for STORED method");
            }
            entry.setComprSize(entry.getSize());
        } else if (hasCompressionLevelChanged) {
            def.setLevel(level);
            hasCompressionLevelChanged = false;
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            return name.getBytes();
        } else {
            try {
                return name.getBytes(encoding);
            } catch (UnsupportedEncodingException uee) {
                throw new ZipException(uee.getMessage());
            }
        }
    }
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        System.arraycopy(data, offset + 4, tmp, 0, length - 4);
        crc.reset();
        crc.update(tmp);
        long realChecksum = crc.getValue();
        if (givenChecksum != realChecksum) {
            throw new ZipException("bad CRC checksum "
                                   + Long.toHexString(givenChecksum)
                                   + " instead of "
                                   + Long.toHexString(realChecksum));
        }
       
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        if (e.getException() instanceof IOException)
          throw (IOException) e.getException();
        throw (RuntimeException) e.getException();
      }
    } catch (ZipException e) {
      ZipException zipNameException = new ZipException("Exception in opening zip file: " + file.getPath()); //$NON-NLS-1$
      zipNameException.initCause(e);
      throw zipNameException;
    } catch (IOException e) {
      IOException fileNameException = new IOException("Exception in opening zip file: " + file.getPath()); //$NON-NLS-1$
      fileNameException.initCause(e);
      throw fileNameException;
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            }
            if (magicBytes != 0x504b0304) {
                throw new IOException(String.format("Wrong magic bytes of %x for zip file %s of %d bytes", magicBytes, file,
                        file.length()));
            }
            ZipException e2 = new ZipException("Error opening zip file " + file + " of " + file.length() + " bytes");
            e2.initCause(e);
            throw e2;
        }
    }
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        int start = 0;
        while (start <= data.length - 4) {
            ZipShort headerId = new ZipShort(data, start);
            int length = (new ZipShort(data, start + 2)).getValue();
            if (start + 4 + length > data.length) {
                throw new ZipException("data starting at " + start
                    + " is in unknown format");
            }
            try {
                ZipExtraField ze = createExtraField(headerId);
                ze.parseFromLocalFileData(data, start + 4, length);
                v.addElement(ze);
            } catch (InstantiationException ie) {
                throw new ZipException(ie.getMessage());
            } catch (IllegalAccessException iae) {
                throw new ZipException(iae.getMessage());
            }
            start += (length + 4);
        }
        if (start != data.length) { // array not exhausted
            throw new ZipException("data starting at " + start
                + " is in unknown format");
        }

        ZipExtraField[] result = new ZipExtraField[v.size()];
        v.copyInto(result);
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            def.reset();

            written += entry.getCompressedSize();
        } else if (raf == null) {
            if (entry.getCrc() != realCrc) {
                throw new ZipException("bad CRC checksum for entry "
                                       + entry.getName() + ": "
                                       + Long.toHexString(entry.getCrc())
                                       + " instead of "
                                       + Long.toHexString(realCrc));
            }

            if (entry.getSize() != written - dataStart) {
                throw new ZipException("bad size for entry "
                                       + entry.getName() + ": "
                                       + entry.getSize()
                                       + " instead of "
                                       + (written - dataStart));
            }
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        }

        // Size/CRC not required if RandomAccessFile is used
        if (entry.getMethod() == STORED && raf == null) {
            if (entry.getSize() == -1) {
                throw new ZipException("uncompressed size is required for"
                                       + " STORED method when not writing to a"
                                       + " file");
            }
            if (entry.getCrc() == -1) {
                throw new ZipException("crc checksum is required for STORED"
                                       + " method when not writing to a file");
            }
            entry.setComprSize(entry.getSize());
        }
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Related Classes of java.util.zip.ZipException

  • com.alimama.mdrill.utils.zip.AbstractUnicodeExtraField
  • com.alimama.mdrill.utils.zip.AsiExtraField
  • com.alimama.mdrill.utils.zip.ExtraFieldUtils
  • com.alimama.mdrill.utils.zip.JarMarker
  • com.alimama.mdrill.utils.zip.Zip64ExtendedInformationExtraField
  • com.alimama.mdrill.utils.zip.ZipFile
  • com.alimama.mdrill.utils.zip.ZipFilelocal
  • com.alimama.mdrill.utils.zip.ZipOutputStream
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