runtime/org.argeo.slc.support.maven/src/main/java/org/argeo/slc/maven/DependencyFileLoader.java

   1 package org.argeo.slc.maven;
   2
   3 import java.io.IOException;
   4 import java.util.ArrayList;
   5 import java.util.List;
   6 import java.util.StringTokenizer;
   7
   8 import org.apache.commons.io.IOUtils;
   9 import org.apache.commons.logging.Log;
  10 import org.apache.commons.logging.LogFactory;
  11 import org.argeo.slc.SlcException;
  12 import org.springframework.beans.factory.FactoryBean;
  13 import org.springframework.core.io.Resource;
  14
  15 public class DependencyFileLoader implements FactoryBean{
  16         private final static Log log = LogFactory.getLog(DependencyFileLoader.class);
  17
  18         private Resource dependenciesResource;
  19
  20         @SuppressWarnings("unchecked")
  21         public List<MavenFile> loadMavenFiles() {
  22                 try {
  23                         List<MavenFile> mavenFiles = new ArrayList<MavenFile>();
  24
  25                         List<String> lines = IOUtils.readLines(dependenciesResource
  26                                         .getInputStream());
  27                         for (String line : lines) {
  28                                 try {
  29                                         line = line.trim();
  30                                         if (line.equals("")
  31                                                         || line
  32                                                                         .startsWith("The following files have been resolved:"))
  33                                                 continue;// skip
  34
  35                                         mavenFiles.add(convert(line));
  36                                 } catch (Exception e) {
  37                                         log.warn("Could not load line " + line);
  38                                 }
  39                         }
  40
  41                         return mavenFiles;
  42                 } catch (IOException e) {
  43                         throw new SlcException("Could not read dependencies resource "
  44                                         + dependenciesResource, e);
  45                 }
  46         }
  47
  48         protected MavenFile convert(String str) {
  49                 StringTokenizer st = new StringTokenizer(str, ":");
  50                 MavenFile component = new MavenFile();
  51                 component.setGroupId(st.nextToken());
  52                 component.setArtifactId(st.nextToken());
  53                 component.setType(st.nextToken());
  54                 component.setVersion(st.nextToken());
  55                 component.setScope(st.nextToken());
  56                 return component;
  57         }
  58
  59         public void setDependenciesResource(Resource dependenciesResource) {
  60                 this.dependenciesResource = dependenciesResource;
  61         }
  62
  63         public Object getObject() throws Exception {
  64                 return loadMavenFiles();
  65         }
  66
  67         @SuppressWarnings("unchecked")
  68         public Class<List> getObjectType() {
  69                 return List.class;
  70         }
  71
  72         public boolean isSingleton() {
  73                 return false;
  74         }
  75
  76
  77 }