Author: vyemialyanchyk Date: 2009-06-22 10:03:41 -0400 (Mon, 22 Jun 2009) New Revision: 16113 Modified: trunk/hibernatetools/plugins/org.jboss.tools.hibernate.ui.veditor/src/org/jboss/tools/hibernate/ui/veditor/editors/model/OrmDiagram.java Log: https://jira.jboss.org/jira/browse/JBIDE-4506 - workaround for too long generated file name Modified: trunk/hibernatetools/plugins/org.jboss.tools.hibernate.ui.veditor/src/org/jboss/tools/hibernate/ui/veditor/editors/model/OrmDiagram.java =================================================================== --- trunk/hibernatetools/plugins/org.jboss.tools.hibernate.ui.veditor/src/org/jboss/tools/hibernate/ui/veditor/editors/model/OrmDiagram.java 2009-06-22 13:18:38 UTC (rev 16112) +++ trunk/hibernatetools/plugins/org.jboss.tools.hibernate.ui.veditor/src/org/jboss/tools/hibernate/ui/veditor/editors/model/OrmDiagram.java 2009-06-22 14:03:41 UTC (rev 16113) @@ -15,7 +15,8 @@ import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; -import java.util.ArrayList; +import java.security.MessageDigest; +import java.security.NoSuchAlgorithmException; import java.util.HashMap; import java.util.HashSet; import java.util.Iterator; @@ -118,14 +119,53 @@ return getStoreFolderPath().append(getStoreFileName()); } + /** + * Generate file name to store diagram. File name consist of elements names, + * in case if result of elements names is too long md5sum calculated for generated name. + * @return + */ public String getStoreFileName() { - String name = ormElements.length > 0 ? ormElements[0].getClassName() : ""; //$NON-NLS-1$ - for (int i = 1; i < ormElements.length; i++) { - name += "_" + ormElements[i].getClassName(); //$NON-NLS-1$ + StringBuilder name = new StringBuilder(); + for (int i = 0; i < ormElements.length; i++) { + name.append("_"); //$NON-NLS-1$ + name.append(ormElements[i].getNodeName()); } - return consoleConfig.getName() + "_" + name; //$NON-NLS-1$ + String res = consoleConfig.getName() + name.toString(); + if (res.length() > 64) { + res = consoleConfig.getName() + "_" + md5sum(name.toString()); //$NON-NLS-1$ + } + return res; } + + public static final String md5sum(String input) { + MessageDigest md = null; + try { + md = MessageDigest.getInstance("MD5"); //$NON-NLS-1$ + } catch (NoSuchAlgorithmException e) { + } + if (md == null || input == null) { + return input; + } + StringBuffer sbuf = new StringBuffer(); + byte [] raw = md.digest(input.getBytes()); + for (int i = 0; i < raw.length; i++) { + int c = (int)raw[i]; + if (c < 0) { + c = (Math.abs(c) - 1) ^ 255; + } + final String block = toHex(c >>> 4) + toHex(c & 15); + sbuf.append(block); + } + return sbuf.toString(); + } + private static final String toHex(int s) { + if (s < 10) { + return String.valueOf((char)('0' + s)); + } + return String.valueOf((char)('a' + (s - 10))); + } + @SuppressWarnings("unchecked") public HashMap<String,OrmShape> getCloneElements() { return (HashMap<String,OrmShape>)elements.clone();