Example usage for java.lang String hashCode

Introduction

In this page you can find the example usage for java.lang String hashCode.

Prototype

public int hashCode() 

Source Link

Document

Returns a hash code for this string.

Usage

From source file:com.ge.predix.acs.policy.evaluation.cache.AbstractPolicyEvaluationCache.java

static String policySetKey(final String zoneId, final String policySetId) {
    return zoneId + ":set-id:" + Integer.toHexString(policySetId.hashCode());
}

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From source file:com.adobe.acs.commons.rewriter.impl.StaticReferenceRewriteTransformerFactory.java

private static String getShardValue(final String filePath, final int shardCount,
        final ShardNameProvider sharder) {
    int result = 1;
    if (shardCount > 1) {
        final int fileHash = ((filePath.hashCode() & Integer.MAX_VALUE) % shardCount) + 1;
        String hostNumberString = Integer.toString(fileHash);
        if (hostNumberString.length() >= 2) {
            // get the 2nd digit as the 1st digit will not contain "0"
            Character c = hostNumberString.charAt(1);
            hostNumberString = c.toString();
            // If there are more than 10 hosts, convert it back to base10
            // so we do not have alpha
            hostNumberString = Integer.toString(Integer.parseInt(hostNumberString, shardCount));

            result = Integer.parseInt(hostNumberString) + 1;
        } else {/*from  w  ww  .  j a  va 2  s  .c o m*/
            result = fileHash;
        }
    }

    return sharder.lookup(result);
}

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From source file:edu.cornell.mannlib.vitro.webapp.edit.n3editing.processEdit.RdfLiteralHash.java

/**
 * Make a hash based on individual, property, literal and (lang or datatype).
 * //from   w ww . jav  a2s.c om
 * @param stmt
 * @return a value between MIN_INTEGER and MAX_INTEGER 
 */
public static int makeRdfLiteralHash(DataPropertyStatement stmt) {
    if ((stmt.getLanguage() != null && stmt.getLanguage().trim().length() > 0)
            && (stmt.getDatatypeURI() != null && stmt.getDatatypeURI().trim().length() > 0))
        throw new Error("DataPropertyStatement should not have both a language " + "and a datatype; lang: '"
                + stmt.getLanguage() + "' datatype: '" + stmt.getDatatypeURI() + "'");

    if (stmt.getIndividualURI() == null || stmt.getIndividualURI().trim().length() == 0)
        throw new Error("Cannot make a hash for a statement with no subject URI");

    if (stmt.getDatapropURI() == null || stmt.getDatapropURI().trim().length() == 0)
        throw new Error("Cannot make a hash for a statement with no predicate URI");

    String langOrDatatype = "9876NONE";
    if (stmt.getLanguage() != null && stmt.getLanguage().trim().length() > 0) {
        langOrDatatype = stmt.getLanguage();
    } else {
        if (stmt.getDatatypeURI() != null && stmt.getDatatypeURI().trim().length() > 0) {
            langOrDatatype = stmt.getDatatypeURI();
        }
    }

    String hashMe = langOrDatatype + "_" + stmt.getIndividualURI() + "_" + stmt.getDatapropURI() + "_"
            + stmt.getData();
    if (log.isDebugEnabled())
        log.debug("got hash " + hashMe.hashCode() + " for String '" + hashMe + "'");
    return hashMe.hashCode();
}

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From source file:com.dc.tes.License.java

private static String Lisence(Core core, String license) {
    // ??//w  w  w . j  a va  2s  . c  om
    boolean[] adapterFlag = new boolean[C_ADAPTER_LIST_SIZE];
    // ?
    Date[] adapterDate = new Date[C_ADAPTER_LIST_SIZE];
    // 
    Date tesDate;
    // ??
    int adapterNum;

    try {
        // ?License
        //String license = RuntimeUtils.ReadResource("license.dat", RuntimeUtils.utf8);
        byte[] _enData = new BASE64Decoder().decodeBuffer(license);

        byte[] _buffer = new byte[_enData.length - 8];
        System.arraycopy(_enData, 0, _buffer, 0, _enData.length - 8);

        license = new String(decrypt(_buffer, "nuclearg".getBytes()));

        String[] segments = StringUtils.split(license, "\r");
        for (int i = 0; i < C_ADAPTER_LIST_SIZE; i++)
            adapterFlag[i] = segments[0].charAt(i) == '1';

        String[] _adapterDate = segments[1].split("\\|");
        for (int i = 0; i < C_ADAPTER_LIST_SIZE; i++)
            if (adapterFlag[i])
                adapterDate[i] = _adapterDate[i + 1].equals("00000000") ? null
                        : new SimpleDateFormat("yyyyMMdd").parse(_adapterDate[i + 1]);

        tesDate = segments[2].equals("00000000") ? null : new SimpleDateFormat("yyyyMMdd").parse(segments[2]);

        adapterNum = Integer.parseInt(segments[3]);
    } catch (Exception ex) {
        throw new LicenseException("?License", ex);
    }

    if (tesDate != null && new Date().after(tesDate))
        throw new LicenseException("");

    int count = 0;
    StringBuffer buffer = new StringBuffer();

    List<String> disabledChannelNames = new ArrayList<String>();
    for (String name : core.channels.getChannelNames())
        if (core.channels.getChannel(name) instanceof IAdapterChannel) {
            count++;
            Class<? extends IChannel> cls = core.channels.getChannel(name).getClass();

            String pName = core.channels.getChannel(name).getClass().getPackage().getName();
            pName = pName.substring(pName.lastIndexOf('.') + 1);
            int id = pName.hashCode() & 0x7fffffff % 64;
            if (ArrayUtils.contains(cls.getInterfaces(), IListenerChannel.class))
                id += 64;

            if (!adapterFlag[id] || (adapterDate[id] != null && new Date().after(adapterDate[id])))
                disabledChannelNames.add(name);
        }

    if (adapterNum > 0 && count > adapterNum)
        throw new LicenseException("??license?");

    for (String disabledChannel : disabledChannelNames) {
        buffer.append("License?" + disabledChannel + "??")
                .append(SystemUtils.LINE_SEPARATOR);
        core.channels.getChannelNames().remove(disabledChannel);
    }

    return buffer.toString();
}

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From source file:gov.nrel.util.Utility.java

public static String createCfName(String modelName) {
    int hashCode = modelName.hashCode();
    int bucketNumber = Math.abs(hashCode % 10);
    if (bucketNumber > 9 || bucketNumber < 0)
        throw new RuntimeException(
                "bug, bucket number should be 0 to 9....hashCode=" + hashCode + " buckNum=" + bucketNumber);
    String realCf = "nreldata" + bucketNumber;
    return realCf;
}

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From source file:com.fluidops.iwb.deepzoom.ImageLoader.java

public static String filename(String imagefile) {
    try {//w  w  w .  j  a  v  a2s  .  c om
        return URLEncoder.encode(
                Integer.toString(imagefile.hashCode()) /*.substring(imagefile.lastIndexOf("/")+1)*/, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        logger.error(e.getMessage(), e);
    }
    return null;
}

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From source file:com.google.enterprise.connector.sharepoint.wsclient.mock.MockClientFactory.java

/**
 * Generates a new Sharepoint ID.//from   w  ww.ja v a2s.c o m
 *
 * @param url the URL of the object
 * @param fixedId a flag inidicating whether to use fixed or random ID's
 * @return a valid string ID
 */
public static String generateId(final String url, Boolean fixedId) {
    String id;
    if (fixedId) {
        // This generates an ID from the URL that is passed in so that we get
        // the same ID for a URL.
        id = String.format("%032x", url.hashCode());
        id = "{" + id.substring(0, 8) + "-" + id.substring(8, 12) + "-" + id.substring(12, 16) + "-"
                + id.substring(16, 20) + "-" + id.substring(20) + "}";
    } else {
        // This just generates a random ID.
        id = "{" + UUID.randomUUID().toString() + "}";
    }
    return id;
}

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From source file:edu.illinois.cs.cogcomp.annotation.BasicAnnotatorService.java

/**
 * get a hash key based on the text value provided
 *
 * @param text a text that has been used as the basis of a TextAnnotation object
 * @param taBuilderName name of TextAnnotationBuilder that created the basic TextAnnotation
 * @return a key for this TextAnnotation
 *//*www  . j  a va 2 s .c  o  m*/
public static String getTextAnnotationCacheKey(String text, String taBuilderName) {
    return text.hashCode() * 13 + ":" + taBuilderName;
}

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From source file:com.beligum.core.utils.AssetPacker.java

private static int calcHash(String[] strings) {
    final int prime = 31;
    int result = 1;
    for (String s : strings) {
        result = result * prime + s.hashCode();
    }//w w w  .  java2  s.  c o m

    return result;
}

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From source file:Main.java

public static String get_device_id(Context ctx) {

    final TelephonyManager tm = (TelephonyManager) ctx.getSystemService(Context.TELEPHONY_SERVICE);

    String tmDevice = "";
    String tmSerial = null;//from   ww w . j  a v a  2s  . c o  m
    String androidId = null;

    try {
        tmDevice = "" + tm.getDeviceId();
    } catch (Exception ex) {
    }

    try {
        tmSerial = "" + tm.getSimSerialNumber();
    } catch (Exception ex) {
    }
    try {
        androidId = "" + android.provider.Settings.Secure.getString(ctx.getContentResolver(),
                android.provider.Settings.Secure.ANDROID_ID);
    } catch (Exception ex) {
    }
    try {
        UUID deviceUuid = new UUID(androidId.hashCode(),
                ((long) tmDevice.hashCode() << 32) | tmSerial.hashCode());
        String deviceId = deviceUuid.toString();

        MessageDigest md = MessageDigest.getInstance("SHA-256");
        md.update(deviceId.getBytes());

        byte byteData[] = md.digest();

        //convert the byte to hex format method 1
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < byteData.length; i++) {
            sb.append(Integer.toString((byteData[i] & 0xff) + 0x100, 16).substring(1));
        }
        deviceId = sb.toString();

        return deviceId;
    } catch (Exception ex) {
    }
    return "nodeviceid";
}

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