12850416574

Committed 19 Jan 2025 04:37AM UTC coverage: 79.916% (-0.003%) from 79.919%

Build # 12850416574

Build Type

push

github

Committed by

TAKETODAY

Commit Message

:art:

Coverage Stats

59446 of 79527 branches covered (74.75%)

Branch coverage included in aggregate %.

142674 of 173390 relevant lines covered (82.29%)

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

import bsh.EvalError;
import bsh.Interpreter;
import infra.beans.factory.BeanClassLoaderAware;
import infra.lang.Nullable;
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 java.io.IOException;
21	import java.io.StringReader;
22	import java.util.Map;
23
24	import bsh.EvalError;
25	import bsh.Interpreter;
26	import infra.beans.factory.BeanClassLoaderAware;
27	import infra.lang.Nullable;
28	import infra.scripting.ScriptCompilationException;
29	import infra.scripting.ScriptEvaluator;
30	import infra.scripting.ScriptSource;
31
32	/**
33	* BeanShell-based implementation of Framework's {@link ScriptEvaluator} strategy interface.
34	*
35	* @author Juergen Hoeller
36	* @author <a href="https://github.com/TAKETODAY">海子 Yang</a>
37	* @see Interpreter#eval(String)
38	* @since 4.0
39	*/
40	public class BshScriptEvaluator implements ScriptEvaluator, BeanClassLoaderAware {
41
42	@Nullable
43	private ClassLoader classLoader;
44
45	/**
46	* Construct a new BshScriptEvaluator.
47	*/
48	public BshScriptEvaluator() {	2✔
49
50	}	1✔
51
52	/**
53	* Construct a new BshScriptEvaluator.
54	*
55	* @param classLoader the ClassLoader to use for the {@link Interpreter}
56	*/
57	public BshScriptEvaluator(ClassLoader classLoader) {	×
58	this.classLoader = classLoader;	×
59	}	×
60
61	@Override
62	public void setBeanClassLoader(ClassLoader classLoader) {
63	this.classLoader = classLoader;	×
64	}	×
65
66	@Override
67	@Nullable
68	public Object evaluate(ScriptSource script) {
69	return evaluate(script, null);	5✔
70	}
71
72	@Override
73	@Nullable
74	public Object evaluate(ScriptSource script, @Nullable Map<String, Object> arguments) {
75	try {
76	Interpreter interpreter = new Interpreter();	4✔
77	interpreter.setClassLoader(this.classLoader);	4✔
78	if (arguments != null) {	2✔
79	for (Map.Entry<String, Object> entry : arguments.entrySet()) {	11✔
80	interpreter.set(entry.getKey(), entry.getValue());	7✔
81	}	1✔
82	}
83	return interpreter.eval(new StringReader(script.getScriptAsString()));	8✔
84	}
85	catch (IOException ex) {	×
86	throw new ScriptCompilationException(script, "Cannot access BeanShell script", ex);	×
87	}
88	catch (EvalError ex) {	×
89	throw new ScriptCompilationException(script, ex);	×
90	}
91	}
92
93	}

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