1 /* Copyright (c) 2009 Peter Troshin
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3 * JAva Bioinformatics Analysis Web Services (JABAWS) @version: 1.0
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5 * This library is free software; you can redistribute it and/or modify it under the terms of the
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6 * Apache License version 2 as published by the Apache Software Foundation
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8 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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9 * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Apache
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10 * License for more details.
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12 * A copy of the license is in apache_license.txt. It is also available here:
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13 * @see: http://www.apache.org/licenses/LICENSE-2.0.txt
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15 * Any republication or derived work distributed in source code form
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16 * must include this copyright and license notice.
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18 package compbio.ws.server;
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20 import java.security.InvalidParameterException;
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21 import java.util.ArrayList;
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22 import java.util.List;
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24 import org.apache.log4j.Logger;
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26 import compbio.data.sequence.FastaSequence;
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27 import compbio.engine.AsyncExecutor;
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28 import compbio.engine.Configurator;
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29 import compbio.engine.ProgressGetter;
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30 import compbio.engine.client.ConfiguredExecutable;
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31 import compbio.metadata.ChunkHolder;
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32 import compbio.metadata.JobStatus;
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33 import compbio.metadata.JobSubmissionException;
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34 import compbio.metadata.Limit;
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35 import compbio.metadata.LimitExceededException;
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36 import compbio.metadata.Option;
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37 import compbio.util.Timer;
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39 public final class WSUtil {
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41 private static final String CACHE_KEY = "LIMITS_CACHE";
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43 private static Logger log = Logger.getLogger(WSUtil.class);
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45 public static final void validateJobId(String jobId)
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46 throws InvalidParameterException {
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47 if (!compbio.engine.client.Util.isValidJobId(jobId)) {
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48 throw new InvalidParameterException(
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49 "JobId is not provided or cannot be recognised! Given value: "
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54 public static final void validateFastaInput(List<FastaSequence> sequences)
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55 throws InvalidParameterException {
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56 if (sequences == null || sequences.isEmpty()) {
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57 throw new InvalidParameterException(
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58 "List of fasta sequences required but not provided! ");
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62 public static JobStatus getJobStatus(String jobId) {
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63 AsyncExecutor asyncEngine = Configurator.getAsyncEngine(jobId);
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64 return asyncEngine.getJobStatus(jobId);
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67 public static ChunkHolder pullFile(String file, long position) {
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68 return ProgressGetter.pull(file, position);
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71 public static byte getProgress(String jobId) {
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72 throw new UnsupportedOperationException();
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75 public static AsyncExecutor getEngine(ConfiguredExecutable<?> confClustal) {
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76 assert confClustal != null;
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77 return Configurator.getAsyncEngine(confClustal);
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80 public static boolean cancelJob(String jobId) {
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81 AsyncExecutor asyncEngine = Configurator.getAsyncEngine(jobId);
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82 return asyncEngine.cancelJob(jobId);
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85 public static <T> String align(List<FastaSequence> sequences,
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86 ConfiguredExecutable<T> confExec, WSLogger logger,
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87 String callingMethod, Limit<T> limit)
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88 throws LimitExceededException, JobSubmissionException {
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89 Timer timer = Timer.getMilliSecondsTimer();
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90 if (limit != null && limit.isExceeded(sequences)) {
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91 throw LimitExceededException.newLimitExceeded(limit, sequences);
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93 compbio.runner.Util.writeInput(sequences, confExec);
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94 AsyncExecutor engine = Configurator.getAsyncEngine(confExec);
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95 String jobId = engine.submitJob(confExec);
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96 if (logger != null) {
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97 logger.log(timer, callingMethod, jobId);
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103 * TODO Rewrite using purely CommandBuilder. This is breaking encapsulation
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105 public static final <T> List<String> getCommands(List<Option<T>> options,
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106 String keyValueSeparator) {
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107 List<String> oList = new ArrayList<String>();
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108 for (Option<T> o : options) {
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109 oList.add(o.toCommand(keyValueSeparator));
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117 * @SuppressWarnings("unchecked") static <T> LimitsManager<T>
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118 * getLimits(Class<? extends Executable<T>> clazz, WebServiceContext
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121 * String LIMIT_KEY = CACHE_KEY + clazz.getCanonicalName(); LimitsManager<T>
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122 * limit = (LimitsManager<T>) getObjectFromApplContext( LIMIT_KEY,
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123 * wsContext); if (limit == null) { synchronized (WSUtil.class) { limit =
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124 * (LimitsManager<T>) getObjectFromApplContext(LIMIT_KEY, wsContext); if
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125 * (limit == null) { limit = compbio.runner.Util
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126 * .getLimits((Class<Executable<T>>) clazz);
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127 * addObjectToApplContext(wsContext, LIMIT_KEY, limit); } } } return limit;
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130 * static void addObjectToApplContext(WebServiceContext wsContext, String
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131 * objKey, Object obj) { assert !Util.isEmpty(objKey) :
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132 * "Key for the object must not be empty! "; assert wsContext != null;
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134 * ServletContext ctx = ((javax.servlet.ServletContext) wsContext
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135 * .getMessageContext().get(MessageContext. SERVLET_CONTEXT)); assert ctx !=
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136 * null; log.debug("Adding object with key '" + objKey + "' and value '" +
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137 * obj + "' to the application context"); ctx.setAttribute(objKey, obj); }
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138 * static Object getObjectFromApplContext(String objKey, WebServiceContext
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139 * wsContext) { assert !Util.isEmpty(objKey) :
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140 * "Key for the object must not be empty! "; assert wsContext != null;
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142 * ServletContext ctx = ((javax.servlet.ServletContext) wsContext
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143 * .getMessageContext().get(MessageContext. SERVLET_CONTEXT)); Object obj =
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144 * ctx.getAttribute(objKey); log.trace("Retrieving object with key '" +
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145 * objKey + "' and value '" + obj + "' from the application context");
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