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Implied constraints are more accurately identified, supports dirs wit…
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…h spaces and timings are fixed.
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johncurrier committed Aug 7, 2005
1 parent 60faed2 commit eb56ed9
Showing 1 changed file with 29 additions and 33 deletions.
62 changes: 29 additions & 33 deletions src/net/sourceforge/schemaspy/Main.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@ public static void main(String[] argv) {
}

long start = System.currentTimeMillis();
long startGraphing = start;
long startGraphingDetails = start;
long startSummarizing = start;

// allow '=' in param specs
Expand All @@ -38,7 +38,11 @@ public static void main(String[] argv) {
final boolean generateHtml = !args.remove("-nohtml");
final boolean includeImpliedConstraints = !args.remove("-noimplied");

File outputDir = new File(getParam(args, "-o", true, false));
String outputDirName = getParam(args, "-o", true, false);
// quoting command-line arguments sometimes leaves the trailing "
if (outputDirName.endsWith("\""))
outputDirName = outputDirName.substring(0, outputDirName.length() - 1);
File outputDir = new File(outputDirName).getCanonicalFile();
if (!outputDir.isDirectory()) {
if (!outputDir.mkdir()) {
System.err.println("Failed to create directory '" + outputDir + "'");
Expand Down Expand Up @@ -140,8 +144,8 @@ public static void main(String[] argv) {
File graphsDir = new File(outputDir, "graphs/summary");
String dotBaseFilespec = "relationships";
out = new LineWriter(new FileWriter(new File(graphsDir, dotBaseFilespec + ".real.dot")));
int numRelationships = new DotFormatter().writeRelationships(tables, false, out);
boolean hasRelationships = numRelationships > 0;
WriteStats stats = new DotFormatter().writeRelationships(tables, false, out);
boolean hasRelationships = stats.getNumTablesWritten() > 0 || stats.getNumViewsWritten() > 0;
out.close();

// getting implied constraints has a side-effect of associating the parent/child tables, so don't do it
Expand All @@ -160,9 +164,8 @@ public static void main(String[] argv) {

File impliedDotFile = new File(graphsDir, dotBaseFilespec + ".implied.dot");
out = new LineWriter(new FileWriter(impliedDotFile));
int numImplied = new DotFormatter().writeRelationships(tables, true, out) - numRelationships;
boolean hasImplied = new DotFormatter().writeRelationships(tables, true, out).wroteImplied();
out.close();
boolean hasImplied = numImplied != 0;
if (!hasImplied)
impliedDotFile.delete();

Expand All @@ -174,7 +177,7 @@ public static void main(String[] argv) {
System.out.print(".");
dotBaseFilespec = "utilities";
out = new LineWriter(new FileWriter(new File(outputDir, dotBaseFilespec + ".html")));
hasOrphans = new HtmlGraphFormatter().writeOrphans(db, orphans, hasRelationships, graphsDir, out);
new HtmlGraphFormatter().writeOrphans(db, orphans, hasRelationships, graphsDir, out);
out.close();

System.out.print(".");
Expand All @@ -197,8 +200,8 @@ public static void main(String[] argv) {
out.close();


startGraphing = System.currentTimeMillis();
System.out.println("(" + (startGraphing - startSummarizing) / 1000 + "sec)");
startGraphingDetails = System.currentTimeMillis();
System.out.println("(" + (startGraphingDetails - startSummarizing) / 1000 + "sec)");
System.out.print("Writing/graphing results");

HtmlTableFormatter tableFormatter = new HtmlTableFormatter();
Expand Down Expand Up @@ -252,9 +255,9 @@ public static void main(String[] argv) {

if (generateHtml) {
long end = System.currentTimeMillis();
System.out.println("(" + (end - startSummarizing) / 1000 + "sec)");
System.out.println("Wrote relationship details of " + tables.size() + " tables/views to directory '" + outputDir + "' in " + (end - start) / 1000 + " seconds.");
System.out.println("Start with " + new File(outputDir, "index.html"));
System.out.println("(" + (end - startGraphingDetails) / 1000 + "sec)");
System.out.println("Wrote relationship details of " + tables.size() + " tables/views to directory '" + new File(outputDirName) + "' in " + (end - start) / 1000 + " seconds.");
System.out.println("Start with " + new File(outputDirName, "index.html"));
}
} catch (IllegalArgumentException badParam) {
System.err.println();
Expand Down Expand Up @@ -304,23 +307,33 @@ private static void dumpNoTablesMessage(String schema, String user, DatabaseMeta
System.out.println();
System.out.println();
System.out.println("No tables or views were found in schema " + schema + ".");
List schemas = getSchemas(meta);
List schemas = DBAnalyzer.getSchemas(meta);
if (schemas.contains(schema)) {
System.out.println("The schema exists in the database, but the user you specified (" + user + ")");
System.out.println("The schema exists in the database, but the user you specified '" + user + "'");
System.out.println(" might not have rights to read its contents.");
} else {
System.out.println("The schema does not exist in the database.");
System.out.println("Make sure you specify a valid schema with the -s option and that the user");
System.out.println(" specified (" + user + ") can read from the schema.");
System.out.println(" specified '" + user + "' can read from the schema.");
System.out.println("Note that schema names are usually case sensitive.");
}
System.out.println();
System.out.println(schemas.size() + " schemas exist in this database (some are system schemas):");
System.out.println(schemas.size() + " schemas exist in this database.");
System.out.println("Some of these \"schemas\" may be users or system schemas.");
System.out.println();
Iterator iter = schemas.iterator();
while (iter.hasNext()) {
System.out.print(iter.next() + " ");
}

System.out.println();
System.out.println();
System.out.println("These schemas contain tables/views that user '" + user + "' can see:");
System.out.println();
iter = DBAnalyzer.getPopulatedSchemas(meta).iterator();
while (iter.hasNext()) {
System.out.print(iter.next() + " ");
}
}

private static Connection getConnection(String user, String password, String connectionURL,
Expand Down Expand Up @@ -536,23 +549,6 @@ Properties load(String dbType) {
}
}

/**
* getSchemas
*
* @param meta DatabaseMetaData
*/
private static List getSchemas(DatabaseMetaData meta) throws SQLException {
List schemas = new ArrayList();

ResultSet rs = meta.getSchemas();
while (rs.next()) {
schemas.add(rs.getString("TABLE_SCHEM"));
}
rs.close();

return schemas;
}

public static String getLoadedFromJar() {
String classpath = System.getProperty("java.class.path");
return new StringTokenizer(classpath, File.pathSeparator).nextToken();
Expand Down

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