| /* |
| Copyright (c) 2001, Dr Martin Porter |
| Copyright (c) 2004,2005, Richard Boulton |
| Copyright (c) 2013, Yoshiki Shibukawa |
| Copyright (c) 2006,2007,2009,2010,2011,2014-2019, Olly Betts |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| |
| 1. Redistributions of source code must retain the above copyright notice, |
| this list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| 3. Neither the name of the Snowball project nor the names of its contributors |
| may be used to endorse or promote products derived from this software |
| without specific prior written permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package org.tartarus.snowball; |
| |
| import java.lang.invoke.MethodHandle; |
| import java.lang.invoke.MethodHandles; |
| import java.lang.invoke.MethodType; |
| import java.util.Locale; |
| |
| /** |
| * Internal class used by Snowball stemmers |
| */ |
| public class Among { |
| public Among (String s, int substring_i, int result) { |
| this.s = s.toCharArray(); |
| this.substring_i = substring_i; |
| this.result = result; |
| this.method = null; |
| } |
| |
| public Among (String s, int substring_i, int result, String methodname, |
| MethodHandles.Lookup methodobject) { |
| this.s = s.toCharArray(); |
| this.substring_i = substring_i; |
| this.result = result; |
| final Class<? extends SnowballProgram> clazz = methodobject.lookupClass().asSubclass(SnowballProgram.class); |
| if (methodname.length() > 0) { |
| try { |
| this.method = methodobject.findVirtual(clazz, methodname, MethodType.methodType(boolean.class)) |
| .asType(MethodType.methodType(boolean.class, SnowballProgram.class)); |
| } catch (NoSuchMethodException | IllegalAccessException e) { |
| throw new RuntimeException(String.format(Locale.ENGLISH, |
| "Snowball program '%s' is broken, cannot access method: boolean %s()", |
| clazz.getSimpleName(), methodname |
| ), e); |
| } |
| } else { |
| this.method = null; |
| } |
| } |
| |
| final char[] s; /* search string */ |
| final int substring_i; /* index to longest matching substring */ |
| final int result; /* result of the lookup */ |
| |
| // Make sure this is not accessible outside package for Java security reasons! |
| final MethodHandle method; /* method to use if substring matches */ |
| }; |