[582] | 1 | package eu.clarin.cmdi.mdservice.action; |
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[466] | 2 | |
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| 3 | import java.io.IOException; |
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| 4 | import java.io.InputStream; |
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| 5 | import java.net.URL; |
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| 6 | |
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| 7 | /** |
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| 8 | * Acts as a Struts 2 controller |
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| 9 | * serves the requests regarding Components |
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| 10 | * it passes them further (Proxy) to the ComponentRegistry. |
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| 11 | * |
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| 12 | * Nested Components are resolved during xsl-transformation. |
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| 13 | * @author vronk |
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| 14 | * |
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| 15 | */ |
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| 16 | public class CompRegistryProxyAction extends GenericProxyAction { |
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| 17 | |
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| 18 | private static final long serialVersionUID = 1L; |
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| 19 | |
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| 20 | private String proxy_key = "compregistry"; |
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| 21 | private String compid; |
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| 22 | |
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| 23 | public String getCompid() { |
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| 24 | return compid; |
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| 25 | } |
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| 26 | |
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| 27 | public void setCompid(String compid) { |
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| 28 | this.compid = compid; |
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| 29 | } |
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| 30 | |
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| 31 | @Override |
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| 32 | public String getFullFormat() { |
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| 33 | if (compid==null || compid.equals("")) { |
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[582] | 34 | if (getActionkey().equals("elements")){ |
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| 35 | return "terms2" + getFormat(); |
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| 36 | } else { |
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| 37 | return "complist2" + getFormat(); |
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| 38 | } |
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[466] | 39 | } else { |
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| 40 | return "comp2" + getFormat(); |
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| 41 | } |
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| 42 | } |
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| 43 | |
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| 44 | @Override |
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| 45 | public String getProxyKey() { |
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| 46 | return proxy_key; |
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| 47 | } |
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| 48 | |
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| 49 | @Override |
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[898] | 50 | /* |
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[466] | 51 | public String getRequestKey() { |
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| 52 | String key=""; |
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| 53 | if (getActionkey()!=null) { |
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[704] | 54 | key += getActionkey() + "//-" ; |
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[466] | 55 | } |
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| 56 | if (getCompid()!=null) { |
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[704] | 57 | key += getCompid() + "//-" ; |
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[466] | 58 | } |
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| 59 | |
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| 60 | return key; |
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| 61 | } |
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[898] | 62 | */ |
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| 63 | public String getRequestKey() { |
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| 64 | String key=""; |
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| 65 | if (getActionkey()!=null) { |
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| 66 | key += getActionkey() + "//-" ; |
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| 67 | }else { |
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| 68 | key +="//-" ; |
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| 69 | } |
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| 70 | if (getCompid()!=null) { |
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| 71 | key += getCompid() + "//-" ; |
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| 72 | } else { |
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| 73 | key +="//-" ; |
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| 74 | } |
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| 75 | //if (getCollection()!=null) { |
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| 76 | key +="//-" ; |
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| 77 | |
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| 78 | //if (getSquery()!=null) { |
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| 79 | key +="//-" ; |
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| 80 | |
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[1046] | 81 | if (getStartItem()!=null) { |
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| 82 | key += getStartItem() + "//-"; |
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[898] | 83 | } |
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| 84 | else{ |
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| 85 | key +="//-" ; |
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| 86 | } |
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[1046] | 87 | if (getMaximumItems()!=null) { |
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| 88 | key += getMaximumItems() + "//-"; |
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[898] | 89 | } |
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| 90 | else{ |
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| 91 | key +="//-" ; |
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| 92 | } |
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| 93 | |
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| 94 | key += getRepository() + "//-"; |
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| 95 | key += getMaxdepth() + "//-"; |
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| 96 | |
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| 97 | if (getLang()!=null) { |
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| 98 | key += getLang() + "//-"; |
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| 99 | }else{ |
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| 100 | key +="//-" ; |
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| 101 | } |
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| 102 | |
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| 103 | |
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| 104 | return key; |
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| 105 | } |
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[466] | 106 | |
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[582] | 107 | |
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| 108 | @SuppressWarnings("deprecation") |
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| 109 | @Override |
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| 110 | public void prepare() throws Exception { |
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| 111 | |
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[1076] | 112 | //Admin.notifyUser("CRPA.prepare"); |
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[582] | 113 | if (!getActionkey().equals("elements")) { |
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| 114 | super.prepare(); |
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| 115 | } else { |
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[1076] | 116 | // Admin.notifyUser("CRPA.prepareSourceStream - elements"); |
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[582] | 117 | String xcid; |
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| 118 | InputStream _sourceStream; |
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| 119 | InputStream __sourceStream; |
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| 120 | InputStream _resultStream; |
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| 121 | |
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| 122 | _sourceStream = Cache.getCache().getFromCache(getRequestKey()); |
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| 123 | if (_sourceStream == null) { |
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[1076] | 124 | // Admin.notifyUser("CRPA.prepareSourceStream- profiles"); |
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[582] | 125 | setActionkey("profiles"); |
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| 126 | setFormat("xmlresolved"); |
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| 127 | __sourceStream = Cache.getCache().getFromCache(getRequestKey()); |
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| 128 | if (__sourceStream == null) { |
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| 129 | __sourceStream = getSourceStream(); |
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| 130 | xcid = Cache.getCache().putInCache(getRequestKey(),__sourceStream); |
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[1076] | 131 | //Admin.notifyUser("CRPA-putting in cache: " + getRequestKey()); |
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[582] | 132 | __sourceStream = Cache.getCache().getFromCache(getRequestKey()); |
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| 133 | } else{ |
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[1076] | 134 | //Admin.notifyUser("CRPA-reading from cache: " + getRequestKey()); |
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[582] | 135 | } |
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[1076] | 136 | // Admin.notifyUser("CCCRPA." + getTargetRequest()); |
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| 137 | // Admin.notifyUser("CCCRPA." + getFullFormat()); |
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[911] | 138 | MDTransformer transformer = new MDTransformer(); |
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| 139 | transformer.setSrcFile(getTargetRequest()); |
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| 140 | transformer.setParams(createTransformerParams()); |
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| 141 | _sourceStream = transformer.transformXML(__sourceStream);//, getFullFormat(),null,null,null,null,null,null); |
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[1076] | 142 | // Admin.notifyUser("CRPA.- elements"); |
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[582] | 143 | setActionkey("elements"); |
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| 144 | setFormat("htmllist"); |
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| 145 | xcid = Cache.getCache().putInCache(getRequestKey(),_sourceStream); |
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[1076] | 146 | // Admin.notifyUser("CRPA-putting in cache: " + getRequestKey()); |
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[582] | 147 | _sourceStream = Cache.getCache().getFromCache(getRequestKey()); |
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[1076] | 148 | } /*else { |
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[582] | 149 | Admin.notifyUser("CRPA-reading from cache: " + getRequestKey()); |
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[1076] | 150 | }*/ |
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[582] | 151 | /* |
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| 152 | File file=new File(Cache.getCache().formPath(getRequestKey())); |
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| 153 | Admin.notifyUser("File-absolutePath " + file.getAbsolutePath()); |
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| 154 | URL url = null; |
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| 155 | try{ |
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| 156 | url = file.toURL(); |
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| 157 | Admin.notifyUser("URL-tostring " + url.toString()); |
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| 158 | } catch (MalformedURLException me){ |
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| 159 | } |
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| 160 | */ |
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[614] | 161 | |
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| 162 | if (getFormat().equals("xml")) { |
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| 163 | _resultStream = _sourceStream; |
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| 164 | }else { |
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| 165 | // set URL as srcFile (for MDTransformer to pass to xsl-scripts) |
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[911] | 166 | MDTransformer transformer = new MDTransformer(); |
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| 167 | transformer.setSrcFile(getTargetRequest()); |
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| 168 | transformer.setParams(MDTransformer.createParamsMap(getFullFormat())); |
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| 169 | _resultStream = transformer.transformXML(_sourceStream);//, getFullFormat()); |
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[614] | 170 | |
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| 171 | } |
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| 172 | |
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| 173 | Admin.notifyUser(getProxyKey() + " success:" + (_resultStream!=null)); |
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| 174 | |
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[582] | 175 | setSourceStream(_sourceStream); |
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| 176 | setResultStream(_resultStream); |
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[614] | 177 | |
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| 178 | /* |
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[582] | 179 | if (getFormat().equals("txt")) { |
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| 180 | File f=new File(Cache.getCache().formPath("terms_autocomplete.txt")); |
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| 181 | OutputStream out=new FileOutputStream(f); |
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| 182 | byte buf[]=new byte[1024]; |
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| 183 | int len; |
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| 184 | while((len=getResultStream().read(buf))>0) |
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| 185 | out.write(buf,0,len); |
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| 186 | out.close(); |
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| 187 | Admin.notifyUser("terms_autocomplete.txt"); |
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| 188 | } |
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[614] | 189 | */ |
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[582] | 190 | |
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| 191 | } |
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| 192 | |
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| 193 | } |
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| 194 | |
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| 195 | |
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[466] | 196 | /** |
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| 197 | * uses base_url and (optionally) compid to form a url |
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| 198 | * no compid => list all components/profiles |
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| 199 | * @return the URL to component-registry |
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| 200 | * @throws Exception |
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| 201 | */ |
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[519] | 202 | public URL getTargetRequest() throws IOException { |
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[466] | 203 | // URL targetURL =new URL( base_url, compname + ".xml"); |
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| 204 | URL targetURL = null; |
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| 205 | if (compid==null || compid.equals("")) { |
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| 206 | targetURL =new URL( getBaseURL(), getActionkey() ); |
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| 207 | } else { |
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| 208 | targetURL =new URL( getBaseURL(), getActionkey() + "/clarin.eu:cr1:" + compid); |
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| 209 | } |
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[789] | 210 | // Admin.notifyUser("CompReg.targetURL:" + targetURL); |
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[466] | 211 | // URLConnection urlConnection = targetURL.openConnection(); |
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| 212 | // urlConnection.setRequestProperty("Accept", "application/xml"); |
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| 213 | return targetURL; |
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| 214 | } |
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| 215 | |
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| 216 | |
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| 217 | } |
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