2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.datamodel;
23 import jalview.util.CaseInsensitiveString;
25 import java.util.Collections;
26 import java.util.Enumeration;
27 import java.util.Hashtable;
33 * constant for storing chain code in properties table
35 private static final String CHAIN_ID = "chain_code";
37 private Hashtable<String, Object> properties;
39 private static final int PDB_ID_LENGTH = 4;
49 // TODO is FILE needed; if not is this enum needed, or can we
50 // use FileFormatI for PDB, MMCIF?
51 PDB("pdb", "pdb"), MMCIF("mmcif", "cif"), FILE("?", "?");
54 * file extension for cached structure file; must be one that
55 * is recognised by Chimera 'open' command
56 * @see https://www.cgl.ucsf.edu/chimera/current/docs/UsersGuide/filetypes.html
61 * format specifier used in dbfetch request
62 * @see http://www.ebi.ac.uk/Tools/dbfetch/dbfetch/dbfetch.databases#pdb
66 private Type(String fmt, String ex)
72 public String getFormat()
76 public String getExtension()
82 * case insensitive matching for Type enum
87 public static Type getType(String value)
89 for (Type t : Type.values())
91 if (t.toString().equalsIgnoreCase(value))
100 * case insensitive equivalence for strings resolving to PDBEntry type
105 public boolean matches(String t)
107 return (this.toString().equalsIgnoreCase(t));
112 * Answers true if obj is a PDBEntry with the same id and chain code (both
113 * ignoring case), file, type and properties
116 public boolean equals(Object obj)
118 if (obj == null || !(obj instanceof PDBEntry))
126 PDBEntry o = (PDBEntry) obj;
129 * note that chain code is stored as a property wrapped by a
130 * CaseInsensitiveString, so we are in effect doing a
131 * case-insensitive comparison of chain codes
133 boolean idMatches = id == o.id
134 || (id != null && id.equalsIgnoreCase(o.id));
135 boolean fileMatches = file == o.file
136 || (file != null && file.equals(o.file));
137 boolean typeMatches = type == o.type
138 || (type != null && type.equals(o.type));
139 if (idMatches && fileMatches && typeMatches)
141 return properties == o.properties
142 || (properties != null && properties.equals(o.properties));
148 * Default constructor
155 public PDBEntry(String pdbId, String chain, PDBEntry.Type type,
158 init(pdbId, chain, type, filePath);
167 void init(String pdbId, String chain, PDBEntry.Type entryType, String filePath)
170 this.type = entryType == null ? null : entryType.toString();
171 this.file = filePath;
180 public PDBEntry(PDBEntry entry)
185 if (entry.properties != null)
187 properties = (Hashtable<String, Object>) entry.properties.clone();
192 * Make a PDBEntry from a DBRefEntry. The accession code is used for the PDB
193 * id, but if it is 5 characters in length, the last character is removed and
194 * set as the chain code instead.
198 public PDBEntry(DBRefEntry dbr)
200 if (!DBRefSource.PDB.equals(dbr.getSource()))
202 throw new IllegalArgumentException("Invalid source: "
206 String pdbId = dbr.getAccessionId();
207 String chainCode = null;
208 if (pdbId.length() == PDB_ID_LENGTH + 1)
210 char chain = pdbId.charAt(PDB_ID_LENGTH);
211 if (('a' <= chain && chain <= 'z') || ('A' <= chain && chain <= 'Z'))
213 pdbId = pdbId.substring(0, PDB_ID_LENGTH);
214 chainCode = String.valueOf(chain);
217 init(pdbId, chainCode, null, null);
220 public void setFile(String f)
225 public String getFile()
230 public void setType(String t)
235 public void setType(PDBEntry.Type type)
237 this.type = type == null ? null : type.toString();
240 public String getType()
245 public void setId(String id)
250 public String getId()
255 public void setProperty(String key, Object value)
257 if (this.properties == null)
259 this.properties = new Hashtable<String, Object>();
261 properties.put(key, value);
264 public Object getProperty(String key)
266 return properties == null ? null : properties.get(key);
270 * Returns an enumeration of the keys of this object's properties (or an empty
271 * enumeration if it has no properties)
275 public Enumeration<String> getProperties()
277 if (properties == null)
279 return Collections.emptyEnumeration();
281 return properties.keys();
286 * @return null or a string for associated chain IDs
288 public String getChainCode()
290 return (properties == null || properties.get(CHAIN_ID) == null) ? null
291 : properties.get(CHAIN_ID).toString();
295 * Sets a non-case-sensitive property for the given chain code. Two PDBEntry
296 * objects which differ only in the case of their chain code are considered
297 * equal. This avoids duplication of objects in lists of PDB ids.
301 public void setChainCode(String chainCode)
303 if (chainCode == null)
305 deleteProperty(CHAIN_ID);
309 setProperty(CHAIN_ID, new CaseInsensitiveString(chainCode));
314 * Deletes the property with the given key, and returns the deleted value (or
317 Object deleteProperty(String key)
319 Object result = null;
320 if (properties != null)
322 result = properties.remove(key);
328 public String toString()
334 * Getter provided for Castor binding only. Application code should call
335 * getProperty() or getProperties() instead.
338 * @see #getProperty(String)
339 * @see #getProperties()
340 * @see jalview.ws.dbsources.Uniprot#getUniprotEntries
344 public Hashtable<String, Object> getProps()
350 * Setter provided for Castor binding only. Application code should call
351 * setProperty() instead.
357 public void setProps(Hashtable<String, Object> props)
363 * Answers true if this object is either equivalent to, or can be 'improved'
364 * by, the given entry.
366 * If newEntry has the same id (ignoring case), and doesn't have a conflicting
367 * file spec or chain code, then update this entry from its file and/or chain
371 * @return true if modifications were made
373 public boolean updateFrom(PDBEntry newEntry)
375 if (this.equals(newEntry))
380 String newId = newEntry.getId();
381 if (newId == null || getId() == null)
383 return false; // shouldn't happen
387 * id has to match (ignoring case)
389 if (!getId().equalsIgnoreCase(newId))
395 * Don't update if associated with different structure files
397 String newFile = newEntry.getFile();
398 if (newFile != null && getFile() != null && !newFile.equals(getFile()))
404 * Don't update if associated with different chains (ignoring case)
406 String newChain = newEntry.getChainCode();
407 if (newChain != null && newChain.length() > 0 && getChainCode() != null
408 && getChainCode().length() > 0
409 && !getChainCode().equalsIgnoreCase(newChain))
415 * set file path if not already set
417 String newType = newEntry.getType();
418 if (getFile() == null && newFile != null)
425 * set file type if new entry has it and we don't
426 * (for the case where file was not updated)
428 if (getType() == null && newType != null)
434 * set chain if not already set (we excluded differing
435 * chains earlier) (ignoring case change only)
437 if (newChain != null && newChain.length() > 0
438 && !newChain.equalsIgnoreCase(getChainCode()))
440 setChainCode(newChain);
444 * copy any new or modified properties
446 Enumeration<String> newProps = newEntry.getProperties();
447 while (newProps.hasMoreElements())
450 * copy properties unless value matches; this defends against changing
451 * the case of chain_code which is wrapped in a CaseInsensitiveString
453 String key = newProps.nextElement();
454 Object value = newEntry.getProperty(key);
455 if (!value.equals(getProperty(key)))
457 setProperty(key, value);