Java Code Examples for java.lang.invoke.MethodType#toString()

The following examples show how to use java.lang.invoke.MethodType#toString() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: MethodTypeTest.java From openjdk-jdk9 with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 2

Source File: MethodTypeTest.java From jdk8u_jdk with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 3

Source File: MethodTypeTest.java From openjdk-8 with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 4

Source File: MethodTypeTest.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 5

Source File: MethodTypeTest.java From openjdk-8-source with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 6

Source File: MethodTypeTest.java From jdk8u-dev-jdk with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 7

Source File: MethodTypeTest.java From hottub with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 8

Source File: MethodTypeTest.java From jdk8u-jdk with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 9

Source File: MethodTypeTest.java From dragonwell8_jdk with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 10

Source File: MethodTypeTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 11

Source File: MethodTypeTest.java From jdk8u60 with GNU General Public License v2.0

6 votes

/**
 * Test of toString method, of class MethodType.
 */
@Test
public void testToString() {
    System.out.println("toString");
    MethodType[] instances = {mt_viS, mt_OO2, mt_vv, mt_Ov, mt_iSI, mt_ISi, mt_ISI, mt_iSi};
    //String expResult = "void[int, class java.lang.String]";
    String[] expResults = {
        "(int,String)void",
        "(Object,Object)Object",
        "()void",
        "()Object",
        "(String,Integer)int",
        "(String,int)Integer",
        "(String,Integer)Integer",
        "(String,int)int"
    };
    for (int i = 0; i < instances.length; i++) {
        MethodType instance = instances[i];
        String result = instance.toString();
        System.out.println("#"+i+":"+result);
        assertEquals("#"+i, expResults[i], result);
    }
}

Example 12

Source File: SingleDynamicMethod.java From openjdk-jdk8u-backup with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(final MethodType type, final String methodName, final boolean withReturnType) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    final StringBuilder b = new StringBuilder();
    if (withReturnType) {
        b.append(typeStr, retTypeIndex, typeStr.length()).append(' ');
    }
    return b.append(methodName).append('(').append(typeStr, secondParamIndex, retTypeIndex).toString();
}

Example 13

Source File: SingleDynamicMethod.java From openjdk-jdk9 with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(final MethodType type, final String methodName, final boolean withReturnType) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    final StringBuilder b = new StringBuilder();
    if (withReturnType) {
        b.append(typeStr, retTypeIndex, typeStr.length()).append(' ');
    }
    return b.append(methodName).append('(').append(typeStr, secondParamIndex, retTypeIndex).toString();
}

Example 14

Source File: BasicStaticTest.java From openjdk-systemtest with Apache License 2.0

5 votes

public static void check(MethodType ideal, MethodType actual) {
    if (!ideal.equals(actual)) {
        String idealString = (ideal==null)? "null" : ideal.toString();
        String actualString = (actual==null)? "null" : actual.toString();
        throw new Error("ERROR: Expected " + idealString + "; found " + actualString);
    }
}

Example 15

Source File: SingleDynamicMethod.java From openjdk-jdk8u with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(final MethodType type, final String methodName, final boolean withReturnType) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    final StringBuilder b = new StringBuilder();
    if (withReturnType) {
        b.append(typeStr, retTypeIndex, typeStr.length()).append(' ');
    }
    return b.append(methodName).append('(').append(typeStr, secondParamIndex, retTypeIndex).toString();
}

Example 16

Source File: SingleDynamicMethod.java From jdk8u60 with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(final MethodType type, final String methodName) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    return typeStr.substring(retTypeIndex) + " " + methodName + "(" + typeStr.substring(secondParamIndex, retTypeIndex);
}

Example 17

Source File: SingleDynamicMethod.java From TencentKona-8 with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(final MethodType type, final String methodName, final boolean withReturnType) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    final StringBuilder b = new StringBuilder();
    if (withReturnType) {
        b.append(typeStr, retTypeIndex, typeStr.length()).append(' ');
    }
    return b.append(methodName).append('(').append(typeStr, secondParamIndex, retTypeIndex).toString();
}

Example 18

Source File: SingleDynamicMethod.java From jdk8u_nashorn with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(final MethodType type, final String methodName, final boolean withReturnType) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    final StringBuilder b = new StringBuilder();
    if (withReturnType) {
        b.append(typeStr, retTypeIndex, typeStr.length()).append(' ');
    }
    return b.append(methodName).append('(').append(typeStr, secondParamIndex, retTypeIndex).toString();
}

Example 19

Source File: SingleDynamicMethod.java From nashorn with GNU General Public License v2.0

5 votes

static String getMethodNameWithSignature(MethodType type, String methodName) {
    final String typeStr = type.toString();
    final int retTypeIndex = typeStr.lastIndexOf(')') + 1;
    int secondParamIndex = typeStr.indexOf(',') + 1;
    if(secondParamIndex == 0) {
        secondParamIndex = retTypeIndex - 1;
    }
    return typeStr.substring(retTypeIndex) + " " + methodName + "(" + typeStr.substring(secondParamIndex, retTypeIndex);
}

Example 20

Source File: Properties.java From es6draft with MIT License

4 votes

private static MethodHandle getStaticMethodHandle(Lookup lookup, Method method) throws IllegalAccessException {
    MethodHandle handle = lookup.unreflect(method);
    MethodType type = handle.type();
    Class<?>[] params = type.parameterArray();
    int p = 0, pcount = type.parameterCount();
    boolean callerContext = false;

    // First three parameters are (ExecutionContext, ExecutionContext?, Object=ThisValue)
    if (!(p < pcount && ExecutionContext.class.equals(params[p++]))) {
        throw new IllegalArgumentException(type.toString());
    }
    if (p < pcount && ExecutionContext.class.equals(params[p])) {
        callerContext = true;
        p++;
    }
    if (!(p < pcount && Object.class.equals(params[p++]))) {
        throw new IllegalArgumentException(type.toString());
    }
    // Always required to return Object (for now at least)
    if (!Object.class.equals(type.returnType())) {
        throw new IllegalArgumentException(type.toString());
    }
    // Collect remaining arguments into Object[]
    if (!(p + 1 == pcount && Object[].class.equals(params[p]))) {
        final int fixedArguments = callerContext ? 3 : 2;
        final boolean varargs = handle.isVarargsCollector();
        // Otherwise all trailing arguments need to be of type Object or Object[]
        for (; p < pcount; ++p) {
            if (Object.class.equals(params[p])) {
                continue;
            }
            if (p + 1 == pcount && Object[].class.equals(params[p]) && varargs) {
                continue;
            }
            throw new IllegalArgumentException(type.toString());
        }
        // Trailing Object[] arguments are no longer spread in var-args methods (jdk8u40, jdk9).
        if (varargs) {
            handle = handle.asFixedArity();
        }
        // Convert to (ExecutionContext, Object, ...) -> Object handle
        handle = toCanonical(handle, fixedArguments, varargs, method);
    }
    if (!callerContext) {
        handle = MethodHandles.dropArguments(handle, 1, ExecutionContext.class);
    }

    // assert handle.type().parameterCount() == 4;
    // assert handle.type().parameterType(0) == ExecutionContext.class;
    // assert handle.type().parameterType(1) == ExecutionContext.class;
    // assert handle.type().parameterType(2) == Object.class;
    // assert handle.type().parameterType(3) == Object[].class;
    // assert handle.type().returnType() == Object.class;

    return handle;
}