import java.util.Collections;
import java.util.Enumeration;
import java.util.Hashtable;
-import java.util.Map.Entry;
public class PDBEntry
{
*/
private static final String CHAIN_ID = "chain_code";
- Hashtable<String, Object> properties;
+ private Hashtable<String, Object> properties;
+
+ private static final int PDB_ID_LENGTH = 4;
private String file;
}
- /*
- * (non-Javadoc)
- *
- * @see java.lang.Object#equals(java.lang.Object)
+ /**
+ * Answers true if obj is a PDBEntry with the same id and chain code (both
+ * ignoring case), file, type and properties
*/
@Override
public boolean equals(Object obj)
return true;
}
PDBEntry o = (PDBEntry) obj;
- return (type == o.type || (type != null && o.type != null && o.type
- .equals(type)))
- && (id == o.id || (id != null && o.id != null && o.id
- .equalsIgnoreCase(id)))
- && (properties == o.properties || (properties != null
- && o.properties != null && properties
- .equals(o.properties)));
+ /*
+ * note that chain code is stored as a property wrapped by a
+ * CaseInsensitiveString, so we are in effect doing a
+ * case-insensitive comparison of chain codes
+ */
+ boolean idMatches = id == o.id
+ || (id != null && id.equalsIgnoreCase(o.id));
+ boolean fileMatches = file == o.file
+ || (file != null && file.equals(o.file));
+ boolean typeMatches = type == o.type
+ || (type != null && type.equals(o.type));
+ if (idMatches && fileMatches && typeMatches)
+ {
+ return properties == o.properties
+ || (properties != null && properties.equals(o.properties));
+ }
+ return false;
}
/**
public PDBEntry(String pdbId, String chain, PDBEntry.Type type,
String filePath)
{
+ init(pdbId, chain, type, filePath);
+ }
+
+ /**
+ * @param pdbId
+ * @param chain
+ * @param entryType
+ * @param filePath
+ */
+ void init(String pdbId, String chain, PDBEntry.Type entryType, String filePath)
+ {
this.id = pdbId;
- this.type = type == null ? null : type.toString();
+ this.type = entryType == null ? null : entryType.toString();
this.file = filePath;
setChainCode(chain);
}
}
}
+ /**
+ * Make a PDBEntry from a DBRefEntry. The accession code is used for the PDB
+ * id, but if it is 5 characters in length, the last character is removed and
+ * set as the chain code instead.
+ *
+ * @param dbr
+ */
+ public PDBEntry(DBRefEntry dbr)
+ {
+ if (!DBRefSource.PDB.equals(dbr.getSource()))
+ {
+ throw new IllegalArgumentException("Invalid source: "
+ + dbr.getSource());
+ }
+
+ String pdbId = dbr.getAccessionId();
+ String chainCode = null;
+ if (pdbId.length() == PDB_ID_LENGTH + 1)
+ {
+ char chain = pdbId.charAt(PDB_ID_LENGTH);
+ if (('a' <= chain && chain <= 'z') || ('A' <= chain && chain <= 'Z'))
+ {
+ pdbId = pdbId.substring(0, PDB_ID_LENGTH);
+ chainCode = String.valueOf(chain);
+ }
+ }
+ init(pdbId, chainCode, null, null);
+ }
+
public void setFile(String f)
{
this.file = f;
}
/**
- * update entry with details from another entry concerning the same PDB
- * ID/file spec.
+ * Answers true if this object is either equivalent to, or can be 'improved'
+ * by, the given entry.
+ * <p>
+ * If newEntry has the same id (ignoring case), and doesn't have a conflicting
+ * file spec or chain code, then update this entry from its file and/or chain
+ * code.
*
* @param newEntry
* @return true if modifications were made
*/
public boolean updateFrom(PDBEntry newEntry)
{
- boolean modified = false;
+ if (this.equals(newEntry))
+ {
+ return true;
+ }
+
+ String newId = newEntry.getId();
+ if (newId == null || getId() == null)
+ {
+ return false; // shouldn't happen
+ }
+
+ /*
+ * id has to match (ignoring case)
+ */
+ if (!getId().equalsIgnoreCase(newId))
+ {
+ return false;
+ }
+
+ /*
+ * Don't update if associated with different structure files
+ */
+ String newFile = newEntry.getFile();
+ if (newFile != null && getFile() != null && !newFile.equals(getFile()))
+ {
+ return false;
+ }
- if (getFile() == null)
+ /*
+ * Don't update if associated with different chains (ignoring case)
+ */
+ String newChain = newEntry.getChainCode();
+ if (newChain != null && newChain.length() > 0 && getChainCode() != null
+ && getChainCode().length() > 0
+ && !getChainCode().equalsIgnoreCase(newChain))
{
- // update file and type of file
- modified = newEntry.getFile() != null;
- setFile(newEntry.getFile());
+ return false;
}
- if (newEntry.getType() != null && newEntry.getFile() != null
- && newEntry.getFile().equals(getFile()))
+
+ /*
+ * set file path if not already set
+ */
+ String newType = newEntry.getType();
+ if (getFile() == null && newFile != null)
+ {
+ setFile(newFile);
+ setType(newType);
+ }
+
+ /*
+ * set file type if new entry has it and we don't
+ * (for the case where file was not updated)
+ */
+ if (getType() == null && newType != null)
{
- setType(newEntry.getType());
+ setType(newType);
}
- if (getChainCode() == null
- || (getChainCode() != null && getChainCode().length() == 0 && newEntry
- .getChainCode() != null))
+
+ /*
+ * set chain if not already set (we excluded differing
+ * chains earlier) (ignoring case change only)
+ */
+ if (newChain != null && newChain.length() > 0
+ && !newChain.equalsIgnoreCase(getChainCode()))
{
- modified |= (getChainCode() == null || !newEntry.getChainCode()
- .equals(getChainCode()));
- setChainCode(newEntry.getChainCode());
+ setChainCode(newChain);
}
- if (newEntry.properties != null)
+
+ /*
+ * copy any new or modified properties
+ */
+ Enumeration<String> newProps = newEntry.getProperties();
+ while (newProps.hasMoreElements())
{
- for (Entry<String, Object> entry : newEntry.properties.entrySet())
+ /*
+ * copy properties unless value matches; this defends against changing
+ * the case of chain_code which is wrapped in a CaseInsensitiveString
+ */
+ String key = newProps.nextElement();
+ Object value = newEntry.getProperty(key);
+ if (!value.equals(getProperty(key)))
{
- if (!entry.getValue().equals(getProperty(entry.getKey())))
- {
- modified = true;
- }
- setProperty(entry.getKey(), entry.getValue());
+ setProperty(key, value);
}
}
- return modified;
+ return true;
}
}