18154768944

Committed 01 Oct 2025 07:26AM UTC coverage: 81.882% (-0.005%) from 81.887%

Build # 18154768944

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #290 from TAKETODAY/dev/jspecify

jspecify

Coverage Stats

59788 of 78013 branches covered (76.64%)

Branch coverage included in aggregate %.

141239 of 167496 relevant lines covered (84.32%)

3.6 hits per line

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60.87

today-context/src/main/java/infra/scripting/bsh/BshScriptEvaluator.java

/*
 * Copyright 2017 - 2025 the original author or authors.
 *
 * 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 [https://www.gnu.org/licenses/]
 */

package infra.scripting.bsh;

import org.jspecify.annotations.Nullable;

import java.io.IOException;
import java.io.StringReader;
import java.util.Map;

import bsh.EvalError;
import bsh.Interpreter;
import infra.beans.factory.BeanClassLoaderAware;
import infra.scripting.ScriptCompilationException;
import infra.scripting.ScriptEvaluator;
import infra.scripting.ScriptSource;

/**
 * BeanShell-based implementation of Framework's {@link ScriptEvaluator} strategy interface.
 *
 * @author Juergen Hoeller
 * @author <a href="https://github.com/TAKETODAY">海子 Yang</a>
 * @see Interpreter#eval(String)
 * @since 4.0
 */
public class BshScriptEvaluator implements ScriptEvaluator, BeanClassLoaderAware {

  @Nullable
  private ClassLoader classLoader;

  /**
   * Construct a new BshScriptEvaluator.
   */
  public BshScriptEvaluator() {

  }

  /**
   * Construct a new BshScriptEvaluator.
   *
   * @param classLoader the ClassLoader to use for the {@link Interpreter}
   */
  public BshScriptEvaluator(ClassLoader classLoader) {
    this.classLoader = classLoader;
  }

  @Override
  public void setBeanClassLoader(ClassLoader classLoader) {
    this.classLoader = classLoader;
  }

  @Override
  @Nullable
  public Object evaluate(ScriptSource script) {
    return evaluate(script, null);
  }

  @Override
  @Nullable
  public Object evaluate(ScriptSource script, @Nullable Map<String, Object> arguments) {
    try {
      Interpreter interpreter = new Interpreter();
      interpreter.setClassLoader(this.classLoader);
      if (arguments != null) {
        for (Map.Entry<String, Object> entry : arguments.entrySet()) {
          interpreter.set(entry.getKey(), entry.getValue());
        }
      }
      return interpreter.eval(new StringReader(script.getScriptAsString()));
    }
    catch (IOException ex) {
      throw new ScriptCompilationException(script, "Cannot access BeanShell script", ex);
    }
    catch (EvalError ex) {
      throw new ScriptCompilationException(script, ex);
    }
  }

}

1	/*
2	* Copyright 2017 - 2025 the original author or authors.
3	*
4	* This program is free software: you can redistribute it and/or modify
5	* it under the terms of the GNU General Public License as published by
6	* the Free Software Foundation, either version 3 of the License, or
7	* (at your option) any later version.
8	*
9	* This program is distributed in the hope that it will be useful,
10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12	* GNU General Public License for more details.
13	*
14	* You should have received a copy of the GNU General Public License
15	* along with this program. If not, see [https://www.gnu.org/licenses/]
16	*/
17
18	package infra.scripting.bsh;
19
20	import org.jspecify.annotations.Nullable;
21
22	import java.io.IOException;
23	import java.io.StringReader;
24	import java.util.Map;
25
26	import bsh.EvalError;
27	import bsh.Interpreter;
28	import infra.beans.factory.BeanClassLoaderAware;
29	import infra.scripting.ScriptCompilationException;
30	import infra.scripting.ScriptEvaluator;
31	import infra.scripting.ScriptSource;
32
33	/**
34	* BeanShell-based implementation of Framework's {@link ScriptEvaluator} strategy interface.
35	*
36	* @author Juergen Hoeller
37	* @author <a href="https://github.com/TAKETODAY">海子 Yang</a>
38	* @see Interpreter#eval(String)
39	* @since 4.0
40	*/
41	public class BshScriptEvaluator implements ScriptEvaluator, BeanClassLoaderAware {
42
43	@Nullable
44	private ClassLoader classLoader;
45
46	/**
47	* Construct a new BshScriptEvaluator.
48	*/
49	public BshScriptEvaluator() {	2✔
50
51	}	1✔
52
53	/**
54	* Construct a new BshScriptEvaluator.
55	*
56	* @param classLoader the ClassLoader to use for the {@link Interpreter}
57	*/
58	public BshScriptEvaluator(ClassLoader classLoader) {	×
59	this.classLoader = classLoader;	×
60	}	×
61
62	@Override
63	public void setBeanClassLoader(ClassLoader classLoader) {
64	this.classLoader = classLoader;	×
65	}	×
66
67	@Override
68	@Nullable
69	public Object evaluate(ScriptSource script) {
70	return evaluate(script, null);	5✔
71	}
72
73	@Override
74	@Nullable
75	public Object evaluate(ScriptSource script, @Nullable Map<String, Object> arguments) {
76	try {
77	Interpreter interpreter = new Interpreter();	4✔
78	interpreter.setClassLoader(this.classLoader);	4✔
79	if (arguments != null) {	2✔
80	for (Map.Entry<String, Object> entry : arguments.entrySet()) {	11✔
81	interpreter.set(entry.getKey(), entry.getValue());	7✔
82	}	1✔
83	}
84	return interpreter.eval(new StringReader(script.getScriptAsString()));	8✔
85	}
86	catch (IOException ex) {	×
87	throw new ScriptCompilationException(script, "Cannot access BeanShell script", ex);	×
88	}
89	catch (EvalError ex) {	×
90	throw new ScriptCompilationException(script, ex);	×
91	}
92	}
93
94	}

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