/* * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* * FindWithCapabilities.java * Copyright (C) 2006-2012 University of Waikato, Hamilton, New Zealand */ package weka.core; import java.io.BufferedReader; import java.io.FileReader; import java.util.Enumeration; import java.util.Iterator; import java.util.Properties; import java.util.StringTokenizer; import java.util.Vector; import weka.core.Capabilities.Capability; import weka.gui.GenericPropertiesCreator; /** * Locates all classes with certain capabilities. One should keep in mind, * that works only with the default capabilities of a scheme and doesn't * take dependencies into account. E.g., a meta-classifier that could have * a base classifier handling numeric classes, but by default uses one with * a nominal class, will never show up in a search for schemes that handle * numeric classes.<p/> * <!-- options-start --> * Valid options are: <p/> * * <pre> All class and attribute options can be prefixed with 'not', * e.g., '-not-numeric-class'. This makes sure that the returned * schemes 'cannot' handle numeric classes. * </pre> * * <pre> -num-instances <num> * The minimum number of instances (default 1).</pre> * * <pre> -unary-class * Must handle unray classes.</pre> * * <pre> -binary-class * Must handle binary classes.</pre> * * <pre> -nominal-class * Must handle nominal classes.</pre> * * <pre> -numeric-class * Must handle numeric classes.</pre> * * <pre> -string-class * Must handle string classes.</pre> * * <pre> -date-class * Must handle date classes.</pre> * * <pre> -relational-class * Must handle relational classes.</pre> * * <pre> -missing-class-values * Must handle missing class values.</pre> * * <pre> -no-class * Doesn't need a class.</pre> * * <pre> -unary-atts * Must handle unary attributes.</pre> * * <pre> -binary-atts * Must handle binary attributes.</pre> * * <pre> -nominal-atts * Must handle nominal attributes.</pre> * * <pre> -numeric-atts * Must handle numeric attributes.</pre> * * <pre> -string-atts * Must handle string attributes.</pre> * * <pre> -date-atts * Must handle date attributes.</pre> * * <pre> -relational-atts * Must handle relational attributes.</pre> * * <pre> -missing-att-values * Must handle missing attribute values.</pre> * * <pre> -only-multiinstance * Must handle multi-instance data.</pre> * * <pre> -W <classname> * The Capabilities handler to base the handling on. * The other parameters can be used to override the ones * determined from the handler. Additional parameters for * handler can be passed on after the '--'. * Either '-W' or '-t' can be used.</pre> * * <pre> -t <file> * The dataset to base the capabilities on. * The other parameters can be used to override the ones * determined from the handler. * Either '-t' or '-W' can be used.</pre> * * <pre> -c <num> * The index of the class attribute, -1 for none. * 'first' and 'last' are also valid. * Only in conjunction with option '-t'.</pre> * * <pre> -superclass * Superclass to look for in the packages. * </pre> * * <pre> -packages * Comma-separated list of packages to search in.</pre> * * <pre> -generic * Retrieves the package list from the GenericPropertiesCreator * for the given superclass. (overrides -packages <list>).</pre> * * <pre> -misses * Also prints the classname that didn't match the criteria.</pre> * <!-- options-end --> * * @author fracpete (fracpete at waikato dot ac dot nz) * @version $Revision: 8034 $ * @see Capabilities * @see Capabilities.Capability * @see GenericPropertiesCreator */ public class FindWithCapabilities implements OptionHandler, CapabilitiesHandler, RevisionHandler { /** the capabilities to look for. */ protected Capabilities m_Capabilities = new Capabilities(this); /** the capabilities to look for to "not have". */ protected Capabilities m_NotCapabilities = new Capabilities(this); /** the packages to search in. */ protected Vector<String> m_Packages = new Vector<String>(); /** a capabilities handler to retrieve the capabilities from. */ protected CapabilitiesHandler m_Handler = null; /** a file the capabilities can be based on. */ protected String m_Filename = ""; /** the class index, in case the capabilities are based on a file. */ protected SingleIndex m_ClassIndex = new SingleIndex(); /** the superclass from the GenericPropertiesCreator to retrieve the packages from. */ protected String m_Superclass = ""; /** whether to use the GenericPropertiesCreator with the superclass. */ protected boolean m_GenericPropertiesCreator = false; /** the classes that matched. */ protected Vector<String> m_Matches = new Vector<String>(); /** the class that didn't match. */ protected Vector<String> m_Misses = new Vector<String>(); /** * Returns an enumeration describing the available options. * * @return an enumeration of all the available options. */ public Enumeration listOptions() { Vector<Option> result = new Vector<Option>(); result.addElement(new Option( "", "", 0, "All class and attribute options can be prefixed with 'not',\n" + "e.g., '-not-numeric-class'. This makes sure that the returned\n" + "schemes 'cannot' handle numeric classes.")); result.addElement(new Option( "\tThe minimum number of instances (default 1).", "num-instances", 1, "-num-instances <num>")); result.addElement(new Option( "\tMust handle unray classes.", "unary-class", 0, "-unary-class")); result.addElement(new Option( "\tMust handle binary classes.", "binary-class", 0, "-binary-class")); result.addElement(new Option( "\tMust handle nominal classes.", "nominal-class", 0, "-nominal-class")); result.addElement(new Option( "\tMust handle numeric classes.", "numeric-class", 0, "-numeric-class")); result.addElement(new Option( "\tMust handle string classes.", "string-class", 0, "-string-class")); result.addElement(new Option( "\tMust handle date classes.", "date-class", 0, "-date-class")); result.addElement(new Option( "\tMust handle relational classes.", "relational-class", 0, "-relational-class")); result.addElement(new Option( "\tMust handle missing class values.", "missing-class-values", 0, "-missing-class-values")); result.addElement(new Option( "\tDoesn't need a class.", "no-class", 0, "-no-class")); result.addElement(new Option( "\tMust handle unary attributes.", "unary-atts", 0, "-unary-atts")); result.addElement(new Option( "\tMust handle binary attributes.", "binary-atts", 0, "-binary-atts")); result.addElement(new Option( "\tMust handle nominal attributes.", "nominal-atts", 0, "-nominal-atts")); result.addElement(new Option( "\tMust handle numeric attributes.", "numeric-atts", 0, "-numeric-atts")); result.addElement(new Option( "\tMust handle string attributes.", "string-atts", 0, "-string-atts")); result.addElement(new Option( "\tMust handle date attributes.", "date-atts", 0, "-date-atts")); result.addElement(new Option( "\tMust handle relational attributes.", "relational-atts", 0, "-relational-atts")); result.addElement(new Option( "\tMust handle missing attribute values.", "missing-att-values", 0, "-missing-att-values")); result.addElement(new Option( "\tMust handle multi-instance data.", "only-multiinstance", 0, "-only-multiinstance")); result.addElement(new Option( "\tThe Capabilities handler to base the handling on.\n" + "\tThe other parameters can be used to override the ones\n" + "\tdetermined from the handler. Additional parameters for\n" + "\thandler can be passed on after the '--'.\n" + "\tEither '-W' or '-t' can be used.", "W", 1, "-W <classname>")); result.addElement(new Option( "\tThe dataset to base the capabilities on.\n" + "\tThe other parameters can be used to override the ones\n" + "\tdetermined from the handler.\n" + "\tEither '-t' or '-W' can be used.", "t", 1, "-t <file>")); result.addElement(new Option( "\tThe index of the class attribute, -1 for none.\n" + "\t'first' and 'last' are also valid.\n" + "\tOnly in conjunction with option '-t'.", "c", 1, "-c <num>")); result.addElement(new Option( "\tSuperclass to look for in the packages.\n", "superclass", 1, "-superclass")); result.addElement(new Option( "\tComma-separated list of packages to search in.", "packages", 1, "-packages")); result.addElement(new Option( "\tRetrieves the package list from the GenericPropertiesCreator\n" + "\tfor the given superclass. (overrides -packages <list>).", "generic", 1, "-generic")); result.addElement(new Option( "\tAlso prints the classname that didn't match the criteria.", "misses", 0, "-misses")); return result.elements(); } /** * Parses a given list of options. * * @param options the list of options as an array of strings * @throws Exception if an option is not supported */ public void setOptions(String[] options) throws Exception { String tmpStr; Class cls; CapabilitiesHandler handler; boolean initialized; StringTokenizer tok; GenericPropertiesCreator creator; Properties props; m_Capabilities = new Capabilities(this); initialized = false; tmpStr = Utils.getOption('W', options); if (tmpStr.length() != 0) { cls = Class.forName(tmpStr); if (ClassDiscovery.hasInterface(CapabilitiesHandler.class, cls)) { initialized = true; handler = (CapabilitiesHandler) cls.newInstance(); if (handler instanceof OptionHandler) ((OptionHandler) handler).setOptions(Utils.partitionOptions(options)); setHandler(handler); } else { throw new IllegalArgumentException("Class '" + tmpStr + "' is not a CapabilitiesHandler!"); } } else { tmpStr = Utils.getOption('c', options); if (tmpStr.length() != 0) setClassIndex(tmpStr); else setClassIndex("last"); tmpStr = Utils.getOption('t', options); setFilename(tmpStr); } tmpStr = Utils.getOption("num-instances", options); if (tmpStr.length() != 0) m_Capabilities.setMinimumNumberInstances(Integer.parseInt(tmpStr)); else if (!initialized) m_Capabilities.setMinimumNumberInstances(1); // allowed if (Utils.getFlag("no-class", options)) enable(Capability.NO_CLASS); // not allowed if (Utils.getFlag("not-no-class", options)) enableNot(Capability.NO_CLASS); if (!m_Capabilities.handles(Capability.NO_CLASS)) { // allowed if (Utils.getFlag("nominal-class", options)) { enable(Capability.NOMINAL_CLASS); disable(Capability.BINARY_CLASS); } if (Utils.getFlag("binary-class", options)) { enable(Capability.BINARY_CLASS); disable(Capability.UNARY_CLASS); } if (Utils.getFlag("unary-class", options)) enable(Capability.UNARY_CLASS); if (Utils.getFlag("numeric-class", options)) enable(Capability.NUMERIC_CLASS); if (Utils.getFlag("string-class", options)) enable(Capability.STRING_CLASS); if (Utils.getFlag("date-class", options)) enable(Capability.DATE_CLASS); if (Utils.getFlag("relational-class", options)) enable(Capability.RELATIONAL_CLASS); if (Utils.getFlag("missing-class-values", options)) enable(Capability.MISSING_CLASS_VALUES); } // not allowed if (Utils.getFlag("not-nominal-class", options)) { enableNot(Capability.NOMINAL_CLASS); disableNot(Capability.BINARY_CLASS); } if (Utils.getFlag("not-binary-class", options)) { enableNot(Capability.BINARY_CLASS); disableNot(Capability.UNARY_CLASS); } if (Utils.getFlag("not-unary-class", options)) enableNot(Capability.UNARY_CLASS); if (Utils.getFlag("not-numeric-class", options)) enableNot(Capability.NUMERIC_CLASS); if (Utils.getFlag("not-string-class", options)) enableNot(Capability.STRING_CLASS); if (Utils.getFlag("not-date-class", options)) enableNot(Capability.DATE_CLASS); if (Utils.getFlag("not-relational-class", options)) enableNot(Capability.RELATIONAL_CLASS); if (Utils.getFlag("not-relational-class", options)) enableNot(Capability.RELATIONAL_CLASS); if (Utils.getFlag("not-missing-class-values", options)) enableNot(Capability.MISSING_CLASS_VALUES); // allowed if (Utils.getFlag("nominal-atts", options)) { enable(Capability.NOMINAL_ATTRIBUTES); disable(Capability.BINARY_ATTRIBUTES); } if (Utils.getFlag("binary-atts", options)) { enable(Capability.BINARY_ATTRIBUTES); disable(Capability.UNARY_ATTRIBUTES); } if (Utils.getFlag("unary-atts", options)) enable(Capability.UNARY_ATTRIBUTES); if (Utils.getFlag("numeric-atts", options)) enable(Capability.NUMERIC_ATTRIBUTES); if (Utils.getFlag("string-atts", options)) enable(Capability.STRING_ATTRIBUTES); if (Utils.getFlag("date-atts", options)) enable(Capability.DATE_ATTRIBUTES); if (Utils.getFlag("relational-atts", options)) enable(Capability.RELATIONAL_ATTRIBUTES); if (Utils.getFlag("missing-att-values", options)) enable(Capability.MISSING_VALUES); // not allowed if (Utils.getFlag("not-nominal-atts", options)) { enableNot(Capability.NOMINAL_ATTRIBUTES); disableNot(Capability.BINARY_ATTRIBUTES); } if (Utils.getFlag("not-binary-atts", options)) { enableNot(Capability.BINARY_ATTRIBUTES); disableNot(Capability.UNARY_ATTRIBUTES); } if (Utils.getFlag("not-unary-atts", options)) enableNot(Capability.UNARY_ATTRIBUTES); if (Utils.getFlag("not-numeric-atts", options)) enableNot(Capability.NUMERIC_ATTRIBUTES); if (Utils.getFlag("not-string-atts", options)) enableNot(Capability.STRING_ATTRIBUTES); if (Utils.getFlag("not-date-atts", options)) enableNot(Capability.DATE_ATTRIBUTES); if (Utils.getFlag("not-relational-atts", options)) enableNot(Capability.RELATIONAL_ATTRIBUTES); if (Utils.getFlag("not-missing-att-values", options)) enableNot(Capability.MISSING_VALUES); if (Utils.getFlag("only-multiinstance", options)) enable(Capability.ONLY_MULTIINSTANCE); tmpStr = Utils.getOption("superclass", options); if (tmpStr.length() != 0) m_Superclass = tmpStr; else throw new IllegalArgumentException("A superclass has to be specified!"); tmpStr = Utils.getOption("packages", options); if (tmpStr.length() != 0) { tok = new StringTokenizer(tmpStr, ","); m_Packages = new Vector<String>(); while (tok.hasMoreTokens()) m_Packages.add(tok.nextToken()); } if (Utils.getFlag("generic", options)) { creator = new GenericPropertiesCreator(); creator.execute(false); props = creator.getInputProperties(); tok = new StringTokenizer(props.getProperty(m_Superclass), ","); m_Packages = new Vector<String>(); while (tok.hasMoreTokens()) m_Packages.add(tok.nextToken()); } } /** * Gets the current settings of this object. * * @return an array of strings suitable for passing to setOptions */ public String[] getOptions() { Vector<String> result; String[] options; int i; result = new Vector<String>(); result.add("-num-instances"); result.add("" + m_Capabilities.getMinimumNumberInstances()); if (isEnabled(Capability.NO_CLASS)) { result.add("-no-class"); } else { if (isEnabled(Capability.UNARY_CLASS)) result.add("-unary-class"); if (isEnabled(Capability.BINARY_CLASS)) result.add("-binary-class"); if (isEnabled(Capability.NOMINAL_CLASS)) result.add("-nominal-class"); if (isEnabled(Capability.NUMERIC_CLASS)) result.add("-numeric-class"); if (isEnabled(Capability.STRING_CLASS)) result.add("-string-class"); if (isEnabled(Capability.DATE_CLASS)) result.add("-date-class"); if (isEnabled(Capability.RELATIONAL_CLASS)) result.add("-relational-class"); if (isEnabled(Capability.MISSING_CLASS_VALUES)) result.add("-missing-class-values"); } if (isEnabled(Capability.UNARY_ATTRIBUTES)) result.add("-unary-atts"); if (isEnabled(Capability.BINARY_ATTRIBUTES)) result.add("-binary-atts"); if (isEnabled(Capability.NOMINAL_ATTRIBUTES)) result.add("-nominal-atts"); if (isEnabled(Capability.NUMERIC_ATTRIBUTES)) result.add("-numeric-atts"); if (isEnabled(Capability.STRING_ATTRIBUTES)) result.add("-string-atts"); if (isEnabled(Capability.DATE_ATTRIBUTES)) result.add("-date-atts"); if (isEnabled(Capability.RELATIONAL_ATTRIBUTES)) result.add("-relational-atts"); if (isEnabled(Capability.MISSING_VALUES)) result.add("-missing-att-values"); // not allowed if (isEnabledNot(Capability.NO_CLASS)) result.add("-not-no-class"); if (isEnabledNot(Capability.UNARY_CLASS)) result.add("-not-unary-class"); if (isEnabledNot(Capability.BINARY_CLASS)) result.add("-not-binary-class"); if (isEnabledNot(Capability.NOMINAL_CLASS)) result.add("-not-nominal-class"); if (isEnabledNot(Capability.NUMERIC_CLASS)) result.add("-not-numeric-class"); if (isEnabledNot(Capability.STRING_CLASS)) result.add("-not-string-class"); if (isEnabledNot(Capability.DATE_CLASS)) result.add("-not-date-class"); if (isEnabledNot(Capability.RELATIONAL_CLASS)) result.add("-not-relational-class"); if (isEnabledNot(Capability.MISSING_CLASS_VALUES)) result.add("-not-missing-class-values"); if (isEnabledNot(Capability.UNARY_ATTRIBUTES)) result.add("-not-unary-atts"); if (isEnabledNot(Capability.BINARY_ATTRIBUTES)) result.add("-not-binary-atts"); if (isEnabledNot(Capability.NOMINAL_ATTRIBUTES)) result.add("-not-nominal-atts"); if (isEnabledNot(Capability.NUMERIC_ATTRIBUTES)) result.add("-not-numeric-atts"); if (isEnabledNot(Capability.STRING_ATTRIBUTES)) result.add("-not-string-atts"); if (isEnabledNot(Capability.DATE_ATTRIBUTES)) result.add("-not-date-atts"); if (isEnabledNot(Capability.RELATIONAL_ATTRIBUTES)) result.add("-not-relational-atts"); if (isEnabledNot(Capability.MISSING_VALUES)) result.add("-not-missing-att-values"); if (isEnabled(Capability.ONLY_MULTIINSTANCE)) result.add("-only-multi-instance"); if (getHandler() != null) { result.add("-W"); result.add(getHandler().getClass().getName()); if (getHandler() instanceof OptionHandler) { result.add("--"); options = ((OptionHandler) getHandler()).getOptions(); for (i = 0; i < options.length; i++) result.add(options[i]); } } else if (getFilename().length() != 0) { result.add("-t"); result.add(getFilename()); result.add("-c"); result.add(m_ClassIndex.getSingleIndex()); } if (m_Superclass.length() != 0) { result.add("-superclass"); result.add(m_Superclass); } else { result.add("-packages"); result.add(m_Packages.toString().replaceAll("\\[", "").replaceAll("\\]", "")); } return (String[]) result.toArray(new String[result.size()]); } /** * sets the Capabilities handler to generate the data for. * * @param value the handler */ public void setHandler(CapabilitiesHandler value) { m_Handler = value; setCapabilities(m_Handler.getCapabilities()); } /** * returns the current set CapabilitiesHandler to generate the dataset * for, can be null. * * @return the handler */ public CapabilitiesHandler getHandler() { return m_Handler; } /** * Sets the dataset filename to base the capabilities on. It immediately * loads the dataset and retrieves the capabilities from it. * * @param value the filename of the dataset */ public void setFilename(String value) { Instances insts; m_Filename = value; if (m_Filename.length() != 0) { try { insts = new Instances(new BufferedReader(new FileReader(m_Filename))); m_ClassIndex.setUpper(insts.numAttributes()); insts.setClassIndex(Integer.parseInt(getClassIndex()) - 1); setCapabilities(Capabilities.forInstances(insts)); } catch (Exception e) { e.printStackTrace(); } } } /** * returns the current filename for the dataset to base the capabilities on. * * @return the filename of the dataset */ public String getFilename() { return m_Filename; } /** * sets the class index, -1 for none, first and last are also valid. * * @param value the class index */ public void setClassIndex(String value) { if (value.equals("-1")) m_ClassIndex = null; else m_ClassIndex = new SingleIndex(value); } /** * returns the current current class index, -1 if no class attribute. * * @return the class index */ public String getClassIndex() { if (m_ClassIndex == null) return "-1"; else return "" + m_ClassIndex.getIndex(); } /** * enables the given capability. * * @param c the capability to enable */ public void enable(Capability c) { m_Capabilities.enable(c); } /** * whether the given capability is enabled. * * @param c the capability to enable * @return true if the capability is enabled */ public boolean isEnabled(Capability c) { return m_Capabilities.handles(c); } /** * disables the given capability. * * @param c the capability to disable */ public void disable(Capability c) { m_Capabilities.disable(c); } /** * enables the given "not to have" capability. * * @param c the capability to enable */ public void enableNot(Capability c) { m_NotCapabilities.enable(c); } /** * whether the given "not to have" capability is enabled. * * @param c the capability to enable * @return true if the capability is enabled */ public boolean isEnabledNot(Capability c) { return m_NotCapabilities.handles(c); } /** * disables the given "not to have" capability. * * @param c the capability to disable */ public void disableNot(Capability c) { m_NotCapabilities.disable(c); } /** * returns true if the given capability can be handled. * * @param c the capability to check * @return true if the capability can be handled */ public boolean handles(Capability c) { return m_Capabilities.handles(c); } /** * The capabilities to search for. * * @return the capabilities to search for * @see Capabilities */ public Capabilities getCapabilities() { return m_Capabilities; } /** * Uses the given Capabilities for the search. * * @param c the capabilities to use for the search */ public void setCapabilities(Capabilities c) { m_Capabilities = (Capabilities) c.clone(); } /** * The "not to have" capabilities to search for. * * @return the capabilities to search for * @see Capabilities */ public Capabilities getNotCapabilities() { return m_NotCapabilities; } /** * Uses the given "not to have" Capabilities for the search. * * @param c the capabilities to use for the search */ public void setNotCapabilities(Capabilities c) { m_NotCapabilities = (Capabilities) c.clone(); } /** * returns the matches from the last find call. * * @return the matching classname from the last find run */ public Vector<String> getMatches() { return m_Matches; } /** * returns the misses from the last find call. * * @return the classnames that didn't match from the last find run */ public Vector<String> getMisses() { return m_Misses; } /** * returns a list with all the classnames that fit the criteria. * * @return contains all classnames that fit the criteria */ public Vector<String> find() { Vector<String> list; int i; Class cls; Object obj; CapabilitiesHandler handler; boolean fits; Capabilities caps; m_Matches = new Vector<String>(); m_Misses = new Vector<String>(); list = ClassDiscovery.find(m_Superclass, (String[]) m_Packages.toArray(new String[m_Packages.size()])); for (i = 0; i < list.size(); i++) { try { cls = Class.forName((String) list.get(i)); obj = cls.newInstance(); // exclude itself if (cls == this.getClass()) continue; // really a CapabilitiesHandler? if (!(obj instanceof CapabilitiesHandler)) continue; // check capabilities enumeration handler = (CapabilitiesHandler) obj; caps = handler.getCapabilities(); fits = true; for (Capability cap: Capability.values()) { if (m_Capabilities.handles(cap)) { if (!(caps.handles(cap))) { fits = false; break; } } } if (!fits) { m_Misses.add(list.get(i)); continue; } // check "not" list for (Capability cap: Capability.values()) { if (m_NotCapabilities.handles(cap)) { if ((caps.handles(cap))) { fits = false; break; } } } if (!fits) { m_Misses.add(list.get(i)); continue; } // other stuff if (caps.getMinimumNumberInstances() > m_Capabilities.getMinimumNumberInstances()) { m_Misses.add(list.get(i)); continue; } // matches all criteria! m_Matches.add(list.get(i)); } catch (Exception e) { // ignore } } return m_Matches; } /** * Returns the revision string. * * @return the revision */ public String getRevision() { return RevisionUtils.extract("$Revision: 8034 $"); } /** * Executes the location of classes with parameters from the commandline. * * @param args the commandline parameters */ public static void main(String[] args) { FindWithCapabilities find; Vector<String> list; String result; int i; boolean printMisses; Iterator iter; boolean first; printMisses = false; try { find = new FindWithCapabilities(); try { printMisses = Utils.getFlag("misses", args); find.setOptions(args); Utils.checkForRemainingOptions(args); } catch (Exception ex) { result = ex.getMessage() + "\n\n" + find.getClass().getName().replaceAll(".*\\.", "") + " Options:\n\n"; Enumeration enm = find.listOptions(); while (enm.hasMoreElements()) { Option option = (Option) enm.nextElement(); result += option.synopsis() + "\n" + option.description() + "\n"; } throw new Exception(result); } System.out.println("\nSearching for the following Capabilities:"); // allowed System.out.print("- allowed: "); iter = find.getCapabilities().capabilities(); first = true; while (iter.hasNext()) { if (!first) System.out.print(", "); first = false; System.out.print(iter.next()); } System.out.println(); // not allowed System.out.print("- not allowed: "); iter = find.getNotCapabilities().capabilities(); first = true; if (iter.hasNext()) { while (iter.hasNext()) { if (!first) System.out.print(", "); first = false; System.out.print(iter.next()); } System.out.println(); } else { System.out.println("-"); } find.find(); // matches list = find.getMatches(); if (list.size() == 1) System.out.println("\nFound " + list.size() + " class that matched the criteria:\n"); else System.out.println("\nFound " + list.size() + " classes that matched the criteria:\n"); for (i = 0; i < list.size(); i++) System.out.println(list.get(i)); // misses if (printMisses) { list = find.getMisses(); if (list.size() == 1) System.out.println("\nFound " + list.size() + " class that didn't match the criteria:\n"); else System.out.println("\nFound " + list.size() + " classes that didn't match the criteria:\n"); for (i = 0; i < list.size(); i++) System.out.println(list.get(i)); } System.out.println(); } catch (Exception ex) { System.err.println(ex.getMessage()); } } }