Examples of java.io.DataOutputStream.writeInt()

java.io.DataOutputStream.writeInt()
Writes a 32-bit int to this output stream. The resulting output is the 4 bytes, highest order first, of val. @param val the int to be written. @throws IOException If an error occurs attempting to write to this DataOutputStream. @see DataInput#readInt()

        byte[] digest = new byte[0];
        try {
            MessageDigest md = MessageDigest.getInstance(digestAlgorithm);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(baos);
            dos.writeInt(9);
            Collection childNodes = getValidElements(document);
            dos.writeInt(childNodes.size());
            Iterator itr = childNodes.iterator();
            while (itr.hasNext()) {
                OMNode node = (OMNode) itr.next();

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            MessageDigest md = MessageDigest.getInstance(digestAlgorithm);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(baos);
            dos.writeInt(9);
            Collection childNodes = getValidElements(document);
            dos.writeInt(childNodes.size());
            Iterator itr = childNodes.iterator();
            while (itr.hasNext()) {
                OMNode node = (OMNode) itr.next();
                if (node.getType() == OMNode.PI_NODE)
                    dos.write(getDigest((OMProcessingInstruction) node, digestAlgorithm));

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        byte[] digest = new byte[0];
        try {
            MessageDigest md = MessageDigest.getInstance(digestAlgorithm);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            DataOutputStream dos = new DataOutputStream(baos);
            dos.writeInt(1);
            dos.write(getExpandedName(element).getBytes("UnicodeBigUnmarked"));
            dos.write((byte) 0);
            dos.write((byte) 0);
            Collection attrs = getAttributesWithoutNS(element);
            dos.writeInt(attrs.size());

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            dos.writeInt(1);
            dos.write(getExpandedName(element).getBytes("UnicodeBigUnmarked"));
            dos.write((byte) 0);
            dos.write((byte) 0);
            Collection attrs = getAttributesWithoutNS(element);
            dos.writeInt(attrs.size());
            Iterator itr = attrs.iterator();
            while (itr.hasNext())
                dos.write(getDigest((OMAttribute) itr.next(), digestAlgorithm));
            OMNode node = element.getFirstOMChild();
            // adjoining Texts are merged,

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                OMNode child = (OMNode)itr.next();
                if (child instanceof OMElement || child instanceof OMText || child instanceof OMProcessingInstruction) {
                    length++;
                }
            }
            dos.writeInt(length);
            while (node != null) {
                dos.write(getDigest(node, digestAlgorithm));
                node = node.getNextOMSibling();
            }
            dos.close();

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          UserGroupInformation.setCurrentUGI(previous);
          CurCall.set(null);


          buf.reset();
          DataOutputStream out = new DataOutputStream(buf);
          out.writeInt(call.id);                // write call id
          out.writeBoolean(error != null);      // write error flag


          if (error == null) {
            value.write(out);
          } else {

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            if (!parent.exists()) {
                parent.mkdirs();
            }
            fout = new FileOutputStream(tmpTokenFile);
            keyOutputStream = new DataOutputStream(fout);
            keyOutputStream.writeInt(currentToken);
            keyOutputStream.writeLong(nextUpdate);
            for (int i = 0; i < currentTokens.length; i++) {
                if (currentTokens[i] == null) {
                    keyOutputStream.writeInt(0);
                } else {

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            keyOutputStream = new DataOutputStream(fout);
            keyOutputStream.writeInt(currentToken);
            keyOutputStream.writeLong(nextUpdate);
            for (int i = 0; i < currentTokens.length; i++) {
                if (currentTokens[i] == null) {
                    keyOutputStream.writeInt(0);
                } else {
                    keyOutputStream.writeInt(1);
                    byte[] b = currentTokens[i].getEncoded();
                    keyOutputStream.writeInt(b.length);
                    keyOutputStream.write(b);

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            keyOutputStream.writeLong(nextUpdate);
            for (int i = 0; i < currentTokens.length; i++) {
                if (currentTokens[i] == null) {
                    keyOutputStream.writeInt(0);
                } else {
                    keyOutputStream.writeInt(1);
                    byte[] b = currentTokens[i].getEncoded();
                    keyOutputStream.writeInt(b.length);
                    keyOutputStream.write(b);
                }
            }

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                if (currentTokens[i] == null) {
                    keyOutputStream.writeInt(0);
                } else {
                    keyOutputStream.writeInt(1);
                    byte[] b = currentTokens[i].getEncoded();
                    keyOutputStream.writeInt(b.length);
                    keyOutputStream.write(b);
                }
            }
            keyOutputStream.close();
            tmpTokenFile.renameTo(tokenFile);

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