1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.actions.downloadtasks;
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3 |
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4 | import java.util.ArrayList;
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5 | import java.util.List;
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6 | import org.openstreetmap.josm.io.XmlWriter;
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7 |
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8 | /**
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9 | * Common abstract implementation of other download tasks
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10 | * @since 2322
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11 | */
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12 | public abstract class AbstractDownloadTask implements DownloadTask {
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13 | private List<Object> errorMessages;
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14 | private boolean canceled = false;
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15 | private boolean failed = false;
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16 |
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17 | public AbstractDownloadTask() {
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18 | errorMessages = new ArrayList<Object>();
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19 | }
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20 |
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21 | public boolean isCanceled() {
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22 | return canceled;
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23 | }
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24 |
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25 | public void setCanceled(boolean canceled) {
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26 | this.canceled = canceled;
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27 | }
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28 |
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29 | public boolean isFailed() {
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30 | return failed;
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31 | }
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32 |
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33 | public void setFailed(boolean failed) {
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34 | this.failed = failed;
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35 | }
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36 |
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37 | protected void rememberErrorMessage(String message) {
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38 | errorMessages.add(message);
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39 | }
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40 |
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41 | protected void rememberException(Exception exception) {
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42 | errorMessages.add(exception);
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43 | }
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44 |
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45 | @Override
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46 | public List<Object> getErrorObjects() {
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47 | return errorMessages;
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48 | }
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49 |
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50 | @Override
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51 | public String acceptsDocumentationSummary() {
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52 | StringBuilder buf = new StringBuilder("<tr><td>");
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53 | buf.append(getTitle());
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54 | buf.append(":</td><td>");
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55 | String patterns[] = getPatterns();
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56 | if (patterns.length>0) {
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57 | buf.append("<ul>");
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58 | for (String pattern: patterns) {
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59 | buf.append("<li>");
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60 | buf.append(XmlWriter.encode(pattern));
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61 | buf.append("</li>");
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62 | }
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63 | buf.append("</ul>");
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64 | }
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65 | buf.append("</td></tr>");
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66 | return buf.toString();
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67 | }
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68 |
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69 | // Can be overridden for more complex checking logic
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70 | @Override
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71 | public boolean acceptsUrl(String url) {
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72 | if (url==null) return false;
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73 | for (String p: getPatterns()) {
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74 | if (url.matches(p)) {
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75 | return true;
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76 | }
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77 | }
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78 | return false;
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79 | }
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80 |
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81 | // Default name to keep old plugins compatible
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82 | @Override
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83 | public String getTitle() {
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84 | return getClass().getName();
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85 | }
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86 |
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87 | // Default pattern to keep old plugins compatible
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88 | @Override
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89 | public String[] getPatterns() {
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90 | return new String[]{};
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91 | }
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92 |
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93 | }
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